The sister chromatids of each chromosome begin dividing at the anaphase II stage and migrate to the ends of the cell.
Kinetochore microtubule shortening causes separation and migration.
Telophase II precedes Late II.
Anaphase II during meiosis is comparable to anaphase during mitosis. Centromeres appear as contractile regions of chromosomes and play an important role in helping cells break down their DNA during division (mitosis and meiosis). In particular, the area where the cell's spindle fibers attach.
The centromere divides during the late II stage of meiosis II. Thus, during meiosis II, the daughter cell's number of chromosomes remains the same as it was at the beginning of meiosis II or at the end of meiosis I, which is exactly half the number of chromosomes in the original parent and mother cells.
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what type of research design did the authors use to study the effects of lactobacillus reuteri on bowel function?
The authors used a double-blind, placebo-controlled study to investigate the effects of Lactobacillus reuteri on bowel function.
In this type of study, participants are randomly assigned to receive either the experimental treatment (in this case, L. reuteri) or a placebo, without knowing which one they are receiving. This allows researchers to measure the effects of the treatment without any potential bias from the participants.
This type of study design is often used when investigating the effects of a treatment, as it ensures that the results are not biased by any knowledge of which treatment the participants are receiving. Additionally, it is a valuable tool for determining the efficacy of a treatment, as it can provide evidence of any effects the treatment may have on the study participants.
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These question are True or False questions.
Wobblers Syndrome is caused by the vertebra pinching the spinal cord.
The Axial skeletal system is comprised of the rear and forelimbs.
Ossification is the process in which cartilage and tissue becomes bone.
The first two statements in the above sentence are untrue, whereas the third one is.
What is ossification?Direct bone or skeleton ossification refers to the process of creating bones. Beginning between the fourth and fifth stages of embryonic stages and continuing until about age 25, but even this varies slightly between person to person. Intramembranous and endochondral bone ossification are the two forms.
Each of these procedures begins with a mesenchymal tissue precursor, but they vary based on how that major contributor transforms into bone. Intramembranous ossification, which converts mesoderm tissue directly into bone, generates the flat components of the brain, neck, and most of the cranial bones. Endochondral ossification, which starts with mesenchymal tissue changing into an early variety of cartilage and is finally replaced by bone, is the process by which the axial skeleton and bone are produced.
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pair of bean-shaped organs located between the peritoneum and the back muscles
Answer:kidneys
Explanation:
What is natural selection the process through which organisms?
Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others.
What is natural selectionNatural selection is the difference in the ability to live and reproduce from an individual that is caused by differences in the suitability of the organism's phenotype with the environment. This is a key mechanism of evolution, changes in characteristics that are passed on from generation to generation. Charles Darwin is the person who popularized the term "natural selection" and compared it to artificial selection, which he thought was intentional, while natural selection was not.
Variation exists in all populations of organisms. This happens due to random mutations that appear in the genomes of individual organisms, so that their offspring can inherit these mutations. Throughout the life of an individual, its genome will interact with its environment causing populations variations in traits. The genomic environment includes cell chemistry, other cells, other individuals, populations, species, and the abiotic environment. This environment will determine which genome changes will be beneficial and which will be detrimental.
Because individuals with a trait variant that is favorable to their environment tend to survive and reproduce more than individuals with another variant that is less favorable, the population for that trait variant grows. Other factors that influence reproductive success include sexual selection (now often included in natural selection) and fecundity selection.
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Which monomer is most commonly found covalently linked together in long chains to store carbohydrates for later use?
A polysaccharide is a lengthy chain of monosaccharides joined by glycosidic linkages. The chain may have different kinds of monosaccharides and may be unbranched or branched.
How do changes in the genes affect the way proteins are made?Gene variations, often known as mutations, can occasionally make one or more proteins unable to function properly. A variation can alter a gene's instructions for producing a protein, which can result in a malfunctioning protein or no protein at all.
What is the name for the gene changes?Gene mutations are long-lasting changes to the DNA gene structure. They may appear during typical DNA replication or in reaction to outside influences. Gene mutations can fall into numerous categories. Disease is caused by specific mutations.
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20 pointsssss!!!!!!!!!
The box that represents the product of the reaction given in the above image is image D (option D).
What is the law of conservation of mass?The law of conservation of mass states that the total mass of a closed system remains constant regardless of the chemical or physical changes that take place within it.
The law states that matter can neither be created nor destroyed, meaning that in a chemical reaction, the amount of reactants must equate the amount of products.
According to this question, the reactant of a reaction contains 3 yellow, 3 red and 4 blue balls. Box D shows the products with this same color combination.
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What is an r-selected species?
Answer: R-selected species are organisms that have a high reproductive rate and produce many offspring, but with a lower likelihood of survival. These species tend to live in unpredictable environments where resources are limited, and populations can fluctuate greatly. Examples of r-selected species include insects, annual plants, and some small mammals.
Explanation:
Energy is not only stored in biomass. Some of it is used for biological processes. Which process produces offspring? give the scientific term.
Energy is not only stored in biomass. Some of it is used for biological processes. Which process produces offspring is called reproduction.
Energy is the power that is carried out to carry out an activity. Energy cannot be created but can be transferred and changed from one form to another. Plants use energy from sunlight to produce food through the process of photosynthesis which is then stored in the form of biomass. The energy then passes to other living things when plants are eaten by herbivores and so on.
Reproduction is the process of producing offspring that occurs when the egg and sperm fuse together to form a fetus. An energy source is needed in the sperm neck to be able to move actively during the fertilization process so that fertilization can occur. This is evidence that energy is necessary for the biological process of reproduction.
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A new species of Polynesian Butterflies was discovered. The population consists of two discrete phenotypes (solid blue and mottled orange/black ventral surfaces).
A cross of two individuals produced the following data:
1. Construct a model that would illustrate the inheritance pattern for the above cross.
2. State which allele is dominant? Use evidence to support answer.
The models that depicts the inheritance pattern after cross breeding is shown below, while the allele of the blue phenotype (B) is dominant in the offspring.
What is Cross-BreedingCross breeding, or cross-pollination, is the process of interbreeding two different varieties or species of plants to produce a hybrid variety. This is done to combine the desirable traits of different varieties in order to create a new, improved strain with desirable traits.
1. The model that would illustrate the inheritance pattern for the above cross would be a Punnett square. The two phenotypes would be represented by the alleles B (for blue) and O (for orange/black). The cross would be represented as follows:
Parent 1: B/B
Parent 2: O/O
Offspring: B/O
2. The allele for the blue phenotype (B) is dominant, as it is expressed in the offspring. This is supported by the fact that the offspring have a blue dorsal surface, even though the parents have both orange/black and blue phenotypes.
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Using the HR diagram above: describe the relationship between luminosity and temperature in main sequence stars. Use complete sentences
On the increasing temperature, the luminosity of the main sequence star also increases.
What is the main sequence star?Any star with a hot, dense core that produces energy by fusing hydrogen with helium is said to be in the main sequence. The majority of stars in the galaxy, including the Sun, Tau Ceti, and Alpha Centauri A, are main-sequence stars.
In the cores of main sequence stars, hydrogen atoms are fused to form helium atoms. The sun is one of the majority of main sequence stars, which make up about 90% of all stars in the universe.
Thus, the temperature and luminosity of a star are directly proportional.
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What is the process of making a protein from the information on an mRNA called?
The process of making protein from the information in mRNA is known as the process of translation.
What are proteins?Proteins are macromolecules or giant molecules which are a combination of amino acids via peptide bonds. In other words, proteins are formed from the polymerization of amino acids. Peptides are polymers (combinations) of up to 50 different amino acids.
While the process of translation is the process of protein synthesis from the information contained in the mRNA molecule. During the process of translation, the mRNA sequence is read using the genetic code. The process of forming mRNA from DNA is called transcription. In the process of protein synthesis, there are two stages, namely transcription, and translation.
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A buoy bobs up and down in the ocean. The waves have a wavelength of 2.5 m, and they pass the buoy at a speed of 4.0 m/s. What is the frequency of the waves?
The frequency of the waves is 1.6 Hz. The frequency of a repeated event is its number of instances per unit of time.
How do you determine a wave's speed?Wave speed and wavelength are related by the equation Speed = Wavelength x Frequency. The wave speed can be determined using this equation if the wavelength and frequency are known. The number of waves that travel each second is known as the wave frequency.
What is a simple definition of wavelength?A waveform signal that is carried in space or down a wire has a wavelength, which is the separation between two identical places (adjacent crests) in consecutive cycles. This length is typically defined in wireless systems in meters (m), centimeters (cm), or millimeters (mm) (mm).
Given:
Wavelength, λ = 2.5m
Speed, v = 4.0 m/s
Frequency, f = ?
Speed v = f X λ
f = v/λ
[tex]f= \frac{4.0m/s}{2.5m}[/tex]
[tex]f=1.6Hz[/tex]
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The banding patterns of the DNA fragments reveal that
a. child 1 and child 2 cannot be biological siblings
b. child 1 and child 3 probably look like the mother
c. the mother cannot be the biological parent of all three children
d. the mother's DNA has the same DNA sequence as the father's DNA
e. child 2 and child 3 inherited all of their DNA from the father
The banding patterns of the DNA fragments reveal that the mother cannot be the biological parent of all three children.
Thus, the correct answer is C.
What are the banding patterns?Bаnding pаtterns аre pаtterns of light аnd dаrk trаnsverse bаnds on chromosomes. The light аnd dаrk bаnds become аppаrent by stаining the chromosome with а chemicаl solution аnd then viewed under а microscope. These bаnds describe the locаtion of genes on а chromosome.
Based on the diagram below, we know that the mother cannot be the biological parent of all three children because the mother's DNA has a different DNA sequence from the children's DNA.
Your question is incomplete, but most probably your full question can see in the Attachment.
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What is cell by value?
Cell by value is a type of cell referencing in which the value in a cell is used as a reference in a formula or other calculation. It refers to the value in a cell, as opposed to the cell address.
Cell by value is an important concept in Excel and other spreadsheet software. It allows users to create dynamic formulas and calculations that can be easily adjusted depending on the value of a particular cell. This type of referencing allows for data to be more easily manipulated and organized.
Additionally, it allows for complex calculations to be easily handled. For example, a formula can be adjusted automatically if the value of a particular cell changes. This makes it easier to create dynamic spreadsheets with changing data. It also allows users to easily reference data from other sheets or documents.
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(Anatomy of the eye) What is this structure that the arrows are pointing to?
This object that arrows is point at is an element of the eye's anatomy. Each eye always varies the light amount it admits, focus both at near- or far stimuli, & forms ongoing images who are quickly sent to brain.
What the human eye's structure?The optically transparent aqueous humor, lens, & vitreous body are all enclosed by three coatings that make up the eye. The cornea and sclera make up the outermost coat, while the choroid, ciliary body, and iris make up the intermediate coat and, from the rear to the front, the major blood flow to the eye.
What are the structure and purpose of the eye?Each eye continuously modifies the quantity of light it admits, focuses on both near- and far-away objects, and generates continuous pictures that are immediately communicated to the brain. The eye, muscles, nerves, blood arteries, and structures that create and drain tears are all located within the bone hollow known as the orbit.
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A term that is used to describe moisturizing is:
_____ Each of the following is typical of normal urine EXCEPT:
A) slightly acidic.
B) yellow color.
C) translucency.
D) mild odor.
E) all are correct for normal urine
F) none is correct for normal urine
A student claims that he can correctly identify whether a person is a business major or an agriculture major by the way the person dresses. Suppose in actuality that if someone is a business major, he can correctly identify that person as a business major 87% of the time. When a person is an agriculture major, the student will incorrectly identify that person as a business major 16% of the time. Presented with one person and asked to identify the major of this person (who is either a business or an agriculture major), he considers this to be a hypothesis test with the null hypothesis being that the person is a business major and the alternative that the person is an agriculture major.
The statement that would be a Type I error is "saying that the person is an agriculture major when in fact the person is a business major". The correct answer is A.
A Type I error in a hypothesis test is when the null hypothesis (the assumption that the person is a business major) is rejected when it is actually true.
In this scenario, the student is presented with one person and is asked to identify the major of this person. If the student claims that the person is an agriculture major when in fact the person is a business major, this would be a type I error.
The question should be provided with answer choices, which are:
A. Saying that the person is an agriculture major when in fact the person is a business major.B. Saying that the person is a business major when in fact the person is a business major.C. Saying that the person is a business major when in fact the person is an agriculture major.D. Saying that the person is an agriculture major when in fact the person is an agriculture major.A is the correct answer.
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an ion is a charged species, which means that there is a difference in the number of electrons to the number of protons
FALSE , Any charged atom or molecule is an ion. It has a charge because the atom or molecule's number of protons and electrons is not equal.
Are there any charged ions?Ionic species, in contrast to molecular dipoles, are defined by integral positive or negative charges connected to a specific atom or molecule. Ions are the named species that are charged. An atom is said to be an ion if its protons and electrons are distributed unevenly within it.
Ionic species: What does that mean?Ionized substances that are properly packed together and have the opposite charge make up ionic compounds. Metals and non-metals typically react to generate ionic compounds.
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the complete question is -
True or false? The charge of an ion or atom is equal to the number of protons minus the number of electrons.
How the un' poition in the ky would change the direction of your hadow if you were to tand in the ame place all day?
Since the Earth is pivoting, the daylight radiates on objects from various headings as the day heads on. This makes the sizes and states of shadows change.
The place of the sun overhead would redirect our shadow if we somehow happened to remain in a similar spot all day in light of the fact that the sun moves with the progression of time. The sun ascends in the east so around then our shadow is framed towards the west side and begins diminishing when the sun arrives high overhead.
At the point when the sun comes to the highest point of our head, then, at that point, no shadow is framed and when the sun set happens the length of the shadow again diminishes so we can say that the size of the shadow changes as the sun changes its situation.
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Study the image of an air mass.
A cold air mass is moving south from Canada into the United States.
Which major type of air mass is moving into the area?
maritime polar
continental polar
maritime tropical
continental tropical
The air mass moves into the area and is also a larger area mass called the Continental Polar. Hence, option B is correct.
What do you mean by continental polar?Continental polar is the type of airmasses, Continental Polar is a type of air anomaly that takes place. It is generally a much dry area and takes place in the northern part of the earth.
These air masses when originating are heavy and hot but then while adapting to the needs of the air pressure, it has to be involved.
Therefore, a continental polar major type of air mass is moving into the area, hence option B is correct.
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Answer:
B…..
Explanation:
Pic down belllloowwwwwww
What do you mean by term " hemophobia " .-.
Answer:
Hemophobia, or blood phobia, is the medical term used to describe an intense and irrational fear of blood.
in order to clean effectively and prevent pest infestation
In order to clean effectively and prevent pest infestation, dry goods should be stored in clear, sealed containers kept in a cool, dark place.
Pests are the organisms which damage various crops and make homes inhabitable as a result of their various activities. In order to prevent the infestation of pests, dried food articles should be stored in clear and sealed containers and kept in a cool as well as dark place.
The clear and transparent containers can allow us to check and monitor the growth or presence of pests inside the food before or during the storage. The food quality is majorly affected by heat and the storage temperature influences length of storage, that is, the higher is the temperature, the shorter will be the storage time.
--The given question is incomplete, the complete question is
"In order to clean effectively and prevent pest infestation how should you store dry goods?"--
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Muscle fibers are made up of bundles of fibers called?
One of the three important muscle tissues in the human body is found in the skeleton. Thousands of muscle fibres are encased in connective tissue sheaths to form each skeletal muscle. Fasciculi are the individual bundles of muscular fibres that make up skeletal muscles.
How are muscle fibres constructed?Myofibrils, which are made up of sarcomeres joined in series, make up muscle fibres. The arrangement of actin and myosin filaments, which results in the banding pattern of myofibrils, produces the striations of skeletal muscle.
What are the names of cell bundles?the composition of muscle cells. Muscles are made up of bundles of solitary, sizable cells (referred to as muscle fiber's) that join together by cell fusion and have many nuclei.
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MY question is . . . . . .
What does the prefix bio in the word biofuels MOST refer to?
this is a mutliple choice answer
A.the use of fuels from dead organisms and decomposed organic materials
B.the use of agricultural products, animal waste, and/or forest materials
C.their low impact on people, wildlife, and the environment
D.their dependence on enzymes or bacteria for anaerobic “digestion”
The prefix bio in the word biofuels MOST refer to B. the use of agricultural products, animal waste, and/or forest materials.
What is the real meaning of the prefix bio in the word biofuels?The real meaning of the prefix bio in the word biofuels refers to any type of organic material which is based on the precede of biological diversity (biodiversity) and it is a fundamental issue in all biotechnological applications such as the obtention of a source of renewable energy in the biofuels from the agriculture and also in the presence of animal waste that may be sued to produce methane (a greenhouse gas).
Therefore, with this data, we can see that the real meaning of the prefix bio in the word biofuels is based on the importance of organic material which is deeply associated with biological diversity and or the word biodiversity.
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Initially, Michel and Asaro found plutonium with the iridium in the KT boundary. Which important
feature of science proved they were incorrect?
peer-review
replication
hypotheses development
new observations
In the K-T layer, researchers have discovered tektites, shocked quartz, and glass spherules. These results are consistent with an impact or explosion that produced a tremendous quantity of heat and extremely high-energy shock waves.
What exactly do hypotheses mean?A tested assertion regarding the relationship between two or more variables or a theory put out to explain an observed occurrence is referred to as a hypothesis (plural: hypotheses) in a scientific context.
What do theories and examples mean?An assertion that reflects the relationship between precisely two variables is known as a simple hypothesis. 1 independent, 1 dependent. Think about the statement, "Smoking is a significant cause of lung cancer." Lung cancer is a dependent variable on smoking, which is an independent variable.
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Activity 10.2 How do C3, C., and CAM photosynthesis compare?
1. Carbon dioxide enters plant leaves through the stomata, while oxygen (the photosynthetic waste product) and water from the leaves exit through the stomata. Plants must constantly balance both water loss and energy gain (as photosynthesis). This has led to the evolution of various modifications of Cg photosynthesis.
Draw simplified diagrams of the cross sections of a leaf from a C3, a C. and a CAM plant.
C3; CA; CAM
C3 plants fix carbon dioxide directly into a three-carbon compound, C4 plants have specialized cells that fix carbon dioxide into a four-carbon compound, and CAM plants fix carbon dioxide into a four-carbon compound at night, which is then converted into glucose during the day.
C3 photosynthesis is the most common type of photosynthesis and is found in most plants. In C3 photosynthesis, carbon dioxide enters the leaf through the stomata and is immediately fixed by the enzyme RuBisCO into a three-carbon compound. This process is called the Calvin-Benson cycle, and it takes place in the chloroplasts. The oxygen produced is released through the stomata.
C4 photosynthesis is an adaptation found in plants that live in hot and dry environments. These plants have specialized cells called bundle sheath cells that surround the vascular bundles in the leaf. These cells have a high concentration of RuBisCO and other enzymes that help to fix carbon dioxide into a four-carbon compound. This four-carbon compound is then transported to the chloroplasts, where it is converted into glucose. This process helps to prevent photorespiration and increases the efficiency of carbon fixation.
CAM photosynthesis is an adaptation found in plants that live in hot and dry environments. These plants have specialized cells called bundle sheath cells that surround the vascular bundles in the leaf. These cells have a high concentration of RuBisCO and other enzymes that help to fix carbon dioxide into a four-carbon compound. This four-carbon compound is then transported to the chloroplasts, where it is converted into glucose. This process helps to prevent photorespiration and increases the efficiency of carbon fixation.
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A truck and a trailer weigh 4000 kg EACH. In order to accelerate at 2 m/s2, how much force would need to be produced?
Answer: Force needed to be produced=16000[N].
Explanation:
The formula for Force needed to be produced: F= ma [where F is the force acting on an object is equal to the mass [m] of an object times its acceleration[a].
So, F=ma,
F= [4000+4000]x2= 16000 [N].
Answer:
Explanation:
Given data weight of truck and trailer=4000kg(m)
Acceleration = 2m/s2
From the Newton 2nd law
Force=mass(m)*acceleration(a)
f=4000*2
f=8000 newtons
f=8kilo newtons
the superior surface of the stomach fundus contacts the ______.
The scatterplot shows data collected by the CDC (Centers for Disease Control and Prevention) about influenza, a flu virus.
a) Describe what the triangles in the scatterplot represent. (2 points)
b) The correlation coefficient for all of the data (r) was calculated as 0.85. What type of correlation does this show? Explain. (2 points)
c) The dark triangles in the graph are outliers. What are outliers, and how do they affect data?
Scatterplots represent the relationship between two variables and how correlated they are. Outliers are also identified in these plots. A) Triangles represent how the percentage of individuals expressing symptoms increase as the percentage of positive individuals increases. B) r = 0.85 is a high positive correlation. C) Outliers are atypical values that might cause misinterpretation of results.
What is the scatterplot?A scatterplot is a graphic tool that represents the existing relationship between two variables. It turns out to be an easy and fast way to interpret data.
To make the representation we use a cartesian graph and by looking at the intersection points between dependent and independent variable, we can analyze what type of relationship there is. The pattern of points intersection can show the relationship between the two variables.
Directly proportional relationship ⇒ while one of the variable values increases, the other variable values increase as well.- High positive correlation ⇒ points are too close to each other
- Low positive correlation ⇒ points are separated from each other
Inversely proportional relationship ⇒ as one of the values of the variables increases the values of other variable decreases.- High negative correlation ⇒ points are too close to each other
- Low negative correlation ⇒ points are separated from each other
No relationship ⇒ There is no tendency in the dispersion of the points. There is a homogeneous cloud. No correlation can be established between variables.By looking at these intersection patterns, we can also identify the outliers, which are atypical and abnormal values that differ significantly from the whole data set. This value is not consistent with the rest of the observations.
Outliers suggest something went wrong while sampling or something unusual is involved. Usually, these values are eliminated from the experiment to avoid misinterpretations.
In the exposed chart,
A) Triangles represent the relationship between the variables percentage of people in the sample who tested positive and the percentage of people in the sample who experienced symptoms. This is, how the percentage of individuals expressing symptoms increase as the positive individuals increases.
B) r = 0.85 is a high positive correlation. As we can see on the chart, all empty triangles are very close to the straight line and to each other. This is a high correlation.
C) Outliers are atypical values significantly distant from the other values. They suggest a researcher's mistake or something strange in the sampled individual. These values do not represent most of the population, and if including them in the analysis, they might lead to misinterpretations of the results.
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