The steps in the correct order which describes how a reflex occurs include the following below:
A receptor detects a signala sensory neuron sends a signal to the spinal corda relay neuron sends a signal to a motor neurona muscle receives a signal to contracta bone moves.What is a Reflex?This s referred to as an involuntary and nearly instantaneous movement in response to a stimulus.
This starts with the receptor detecting a signal and the sensory neuron sends a signal to the spinal cord through different proceses. Signal is then sent to the motor neuron and parts of the body such as the bones move in response to the stimulus.
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The options are:
A receptor detects a signal. A relay neuron sends a signal to a motor neuron. A sensory neuron sends a signal to the spinal cord. A bone moves. A muscle receives a signal to contract. ↓ ↓
what is the menchanism of natural selection
If a mutation in the dna of a globular enzyme changed all of the serine and proline amino acids to glycine, predict how the relative position of the amino acid on the secondary structure of the beta sheet would be affected when the protein is placed in an aqueous solution.
If a globular enzyme's DNA underwent a mutation, all of the Serine and protein amino acids would be converted to Glycine. Beta sheets' hydrogen bonds will alter.
What occurs if an amino acid sequence in a protein is altered?A protein's function may shift or disappear entirely if just one amino acid in the sequence is altered. Proteins' structure is composed of amino acids. A protein's three-dimensional structure and consequent function can vary if even one amino acid is altered.
Why do most enzymes have globules?The hydrophobic effect causes the majority of the enzymes to be globular, which is one result of all the enzymes connecting them. With regard to the subject of whether enzymes are globular proteins, the answer is yes. This is how the basic proteins that are globular balance their tertiary form.
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(b) Using the template, construct an appropriately labeled graph, including error bars, to represent the data in Table 1. Based on the data in Table 1, determine whether there is a significant difference between the number of flies in each of the four phenotypes.
The dominant V allele in fruit flies results in extended wings, but the recessive V allele results in vestigial wings.
What is the Phenotypic data of FruitfliesIn a diploid organism, two alleles for a particular gene are expressed and interact to produce physical traits. A species' observable characteristics are referred to as its phenotype. The genotype is the underlying genetic composition of an organism, which includes both the physically expressed and non-expressed alleles.
Phenotype ratios of 3:1 are typical of monohybrid F2 generations. In the F2, there are 3 genotypes. Two thirds of the flies with the dominant phenotype (normal length wings) are heterozygous (Nn), and one third are homozygous (NN),
What is the genotype of a fruit fly?The dominant V allele in fruit flies results in extended wings, but the recessive V allele results in vestigial wings. As a result, insects with the genotypes VV or Vv will have long wings, while those with the genotype vv will just have vestiges of wings.
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What happens to the best adapted organisms in natural selection?
The best-adapted organisms are the ones that are most likely to survive and reproduce, passing their genetic traits on to the next generation. Over time, these traits become more common in the population, leading to the evolution of the species. This process is known as natural selection.
Organisms with advantageous traits tend are are more likely to survive and pass those traits on to their offspring time and again, while organisms with less advantageous traits are less likely to do so. This leads to the evolution of the species over time, as the population becomes better adapted to its environment.
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Which of the following best explains how trees help conserve energy and reduce pollution in cities?
a.Trees shade buildings which reduces the use of energy derived from fossil fuels.
b.Trees remove carbon dioxide and add oxygen the atmosphere.
c.Trees filter particulates and polluting gases from the atmosphere.
d.All of the above
The sentence that best explains how trees help conserve energy and reduce pollution in cities is d.All of the above.
What ways do trees minimize pollution?The carbon dioxide gas in the atmosphere is absorbed by plants for photosynthesis if trees are grown in big numbers. Plants absorb carbon dioxide, which is produced when fossil fuels are burned, and thus helps to reduce pollution.
Buildings are shaded by trees, which lowers the need for energy derived from fossil fuels. Trees improve the atmosphere's oxygen content and eliminate carbon dioxide. The atmosphere is cleaned by trees of particles and harmful gases.
Therefore, option D is correct.
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Type your response in the box.
More than 200 different types of cells exist in the human body. Why do you think these cells are important for various body functions? Explain your response.
Humans are multicellular, multifaceted entities. "Specialized" cells exist throughout our bodies. This indicates that each cell type has a distinct and particular purpose. As a result, each of the 200 different types of cells
how are humans differ to other animals ?
The most significant distinction between humans and animals is that people are motivated by logic and reason. They are capable of engaging in intellectual tasks. Animals, on the other hand, are entirely motivated by instincts. These are the main distinctions that distinguish animals from humans.
Humans are multicellular, multifaceted entities. "Specialized" cells exist throughout our bodies. This indicates that each cell type has a distinct and particular purpose. As a result, each of the 200 different types of cells in the body has a unique structure, size, form, and function, as well as a unique set of organelles.
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Which of the following mechanisms will cause the gene pool of two populations to become similar?a.gene flowb.genetic driftc.mutationd.natural selection
Gene flow is the mechanism that causes the gene pool of two populations to become similar.
Gene flow is the process of transfer of genes in and out of a population. The new genes introduced into the population through gene flow then reproduce with the existing genes of the population and that is how the similarity of genes occurs.
Gene pool is the collection of the entire genome (genes and alleles) of a population whose organisms are able to reproduce. A large gene pool consists of varying genomic diversity which is considered to be able to adapt better in the unfavorable conditions.
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PLEASE HHELP ASAP!! I'LL MARK BRAINLIEST FOR FULL ANSWER!!
Recovering Ecosystems Worksheet Section 1: Select the Kitakami River region, the Abukuma Highlands, or Japan's coastal habitat as the ecosystem you want to help with recovery. List the main problem faced by this ecosystem as described in the lesson. Then list at least two sub-problems that need to be considered to solve the main problem. List the sub-problems in order of most to least important. In the rationale column, explain why you placed your sub-problems in the order you selected. Main Problem Sub-Problems Rationale Section 2: Conduct internet research on your selected ecosystem to help you generate a list of three criteria and two constraints. Your criteria and constraints should consider relevant factors to the problem, such as costs, reliability, safety (to humans and wildlife), human needs, environmental impact, local biodiversity, and the aesthetics of the area. List the criteria in order of most to least important and assign each to a related sub-problem. In the rationale column, explain why you placed your criteria in the order you selected. Constraints Criteria Rationale Which Sub-Problems does this criteria address? Section 3: For at least one of the sub-problems, propose two solutions based on the information from the lesson and your additional research. In the rationale column, explain how your solution restores the stability and biodiversity of your selected ecosystem. Sub-Problem Proposed Solutions Rationale Section 4: Answer the following analysis questions about your proposed solutions. Describe the ways your proposed solutions decrease the negative effects of habitat destruction and human activity on your selected ecosystem. Describe the costs, safety, and reliability of your proposed solutions, as well as any social, cultural, and environmental impacts your solutions address. Evaluate your proposed solutions for their impact on overall environmental stability and changes. Which solution has more impact? Explain your reasoning for picking one solution over another. How could you refine one of your proposed solutions to further reduce environmental impact and loss of biodiversity while also addressing human needs?
Answer: how are we supposed to help you?
Explanation:
Which of the following best compares seedless vascular plants and nonflowering vascular plants? (2 points)
Both contain xylem and phloem, but seedless vascular plants reproduce sexually and nonflowering plants reproduce asexually.
Both reproduce sexually, but seedless vascular plants produce spores, and nonflowering vascular plants produce cones.
O Seedless vascular plants contain xylem and reproduce sexually, while nonflowering vascular plants contain xylem and phloem and reproduce asexually.
Seedless vascular plants can reproduce sexually or asexually, while nonflowering vascular plants lack flowers or fruit and reproduce asexually.
Answer: Both contain xylem and phloem, but seedless vascular plants reproduce sexually and nonflowering plants reproduce asexually.
Explanation: we are learning about this in biology right now.
what body made up of water is part of the crysophere
Answer:
The cryosphere is the frozen water part of the Earth system.
This includes frozen parts of the ocean, such as waters surrounding Antarctica and the Arctic.
Answer:
The cryosphere is the frozen water part of the Earth system.
Explanation:
This includes frozen parts of the ocean, such as waters surrounding Antarctica and the Arctic.
Whale and fish relationship
Whales and barnacles are related, however the whales do not suffer any biological consequences from the barnacles' attachment.
The following are the causes of evolution are Overcoming ,Reproduction and Adaptation. The same function will be performed by species that originate from separate continents and coexist in the same habitat during the period of evolution, but having differing anatomical structures. The term "analogous organs" refers to these organs. The flipper and fin of fish have different structures but serve the same purposes, claims the inquiry. Their habitat determines the relationship between the two organisms. Whales and barnacles are related, however the whales do not suffer any biological consequences from the barnacles' attachment. Commensalism is the term for this kind of mutually beneficial arrangement.
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An infectious particle made only of a strand of DNA or RNA surrounded by a protein coat.
A virus is an infectious microbe that consists of a segment of nucleic acid (or DNA or RNA) surrounded by a protein coat. A virus cannot reproduce itself; Instead, it must infect cells and use components of the host cell to make copies of itself.
Capsid - A capsid is a protein shell surrounding a nucleic acid; together with the enclosed nucleic acid, it is called a nucleocapsid. This coat consists of proteins organized into subunits called capsomeres.
The virus is an infectious particle that reproduces by "commanding" the host cell and uses its machinery to produce more viruses. A virus consists of a DNA or RNA genome in a protein shell called a capsid.
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Which describes the notation TT for the trait of a plant height?a. homozygous genotypeb. heterozygous genotypec. homozygous phenotyped. heterozygous phenotype
The notation TT for the trait of a plant height, the correct option is (b) homozygous genotype.
The parts of an organism's genome that make up its genotype. The set of alleles or genetic variations that a person possesses inside a certain gene or genetic area is also referred to as their genotype.
Tallness (T) is more prevalent than shortness (S) in pea plants (t). In the case of a cross between a homozygous short plant and a heterozygous tall plant. White flowers are subordinate to purple blossoms. Purple flowers that are heterozygous for both colours are crossed.
Both parents have the Tt genotype. As a result, both parents will produce T and t gametes. Three different genotypes TT, Tt, and tt in the ratio 1:2:1 could be present in the offspring resulting from this cross. That tallness is the dominant characteristic, the phenotype of offspring with genotypes TT and Tt will be tall.
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What organelles perform the function of digesting old metabolic waste that takes up space and may be toxic to the cell? And what specific toxin do they eliminate?
Answer:
Other organelles like lysosomes are responsible for digesting and recycling toxic substances and waste. They are embedded with proteins called enzymes, which break down macromolecules, including amino acids, carbohydrates, and phospholipids.
Explanation:
How are grassland ecosystems most similar to forest ecosystems?
Both ecosystems are land habitats.
Both ecosystems are water habitats.
Both ecosystems are habitats for sharks and whales.
Both ecosystems are habitats for cactus and palm trees.
Even though both ecosystems are water habitats, grassland ecosystems resemble forests the most.
What is ecosystem?When plants, animals, and numerous other organisms engage with the world, weather, and other variables, an ecosystem is formed. An environment is a region where a circle of life is created by plants, birds, and some other organisms interacting with the weather, environment, and other factors. The basic types of ecosystems are forests, deserts, tropical rainforests, grasslands, tundra, savannas, and mountains.
Which five ecosystems rank highest?The five primary types of biomes are aquatic, grassland, forest, desert, and tundra, while a few of these are further subdivided into more specialized groupings, such as surface and groundwater, marine, pastures, tropical rainforests, temperate degradation, and taiga.
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Natural selection acts only on traits that are _____.
Answer:
advantageous
Explanation:
advantageous in a certain environment
Answer: Heritable
Explanation: Natural selection only affects traits that are heritable
Drag each label to the correct location. each label can be used more than once. identify whether each acquisition is allowable under eminent domain. yes no
Eminent Domain is the power of the federal government or state governments in the United States to acquire private property and convert it to public use. To accomplish this, the government must first compensate the landowner fairly for his or her property.
We can draw the following conclusions about the statements based on this concept:
Statement 1 is not permissible under Eminent Domain because a car showroom is not for public use.
Statement 2 is permissible because a radio tower would benefit society as a whole by providing telecommunications and broadcasting antennas.
Statement 3 is unconstitutional because it violates the landowner's right to just compensation for their property, which is guaranteed by the Fifth Amendment to the United States Constitution.
Statement 4 is allowable because it is benefit to people.
Identify whether each acquisition is allowable under eminent domain.
the local government wants to purchase the connolly families farmland in order to build a car showroom
the state government plans to purchase a local school building to build a radio tower
the federal government plans to take over mr.cooper's unused plot of land without any compensation to build a stadium
the state government plans to purchase a few occupied houses on behalf of a multinational corporation that wants to turn the land into a public park
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Answer:
Explanation:
What type of energy is used to break the bonds in glucose?
To produce chemical energy in the form of ATP and NADH, regulated stepwise oxidation breaks down glucose and other dietary components.
What kind of energy dissociates the bonds in glucose?As glucose is broken down by oxygen during cellular respiration, chemical energy and heat are released.
What produces energy by glycolysis?Cellular respiration is the process through which stored energy is released and transformed into energy that your cells may utilise once glucose has been digested and transferred to your cells. The Krebs cycle, oxidative phosphorylation, and glycolysis are the three metabolic processes that make up cellular respiration.
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how do you the strand below is RNA and not a strand of DNA
AGUCAAGGCACUGGAG
A. the strand is too short to be DNA
B. There is no way to distinguish the two strands
C. the strand contains a U
We can determine that the strand AGUCAAGGCACUGGAG is RNA and not a strand of DNA because C. the strand contains a U.
What is the main difference between a DNA strand and an RNA strand?The main difference between a DNA strand and a RNA strand is the presence of Uracil or U as a nitrogen base in the RNA instead of Thymine or T base which are replaced during transcription.
Therefore, with this data, we can see that the major difference between DNA and RNA is the nitrogen base called Uracil in the first one.
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What type of mutation in the CFTR gene causes cystic fibrosis?
The CF transmembrane conductance regulator protein is made using instructions from the CFTR gene (CFTR).
This protein serves as a conduit through the membrane of the cells that secrete digestive enzymes, perspiration, saliva, and mucus. The channel carries chloride ions, negatively charged particles, into and out of cells. Chloride ion transport aids in regulating tissue water flow, which is important for the creation of thin, freely flowing mucus. The lining of the lungs, digestive tract, reproductive system, and other organs and tissues are all lubricated and protected by mucus, a slick fluid.
Additionally, the sodium ion channels that move positively charged sodium ions across cell membranes are controlled by the CFTR protein.
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An someone awnser all of theese i need it to revise work
11. The two main phases of the cell cycle are the cytokinetic phase and interphase. (False)
12. The phase in which a cell spends most of its life is interphase. (True)
13. During the mitotic phase, the nucleus divides. (True)
14. Some cells stop the cell cycle in the interphase GI stage. (True)
15. The period of growth and development in the cell cycle is called interphase. (True)
16. The process by which cells duplicates takes the same amount of time no matter which type of cells a duplicating. (False)
17. In mitosis, two different cells are being created. (True)
18. Sister chromatids are identical. (True)
19. Mitosis occurs in the following order: prophase - metaphase - telophase – anaphase. (False)
20. Cytokinesis is the final stage of cell division. (True)
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How would the levels of organization in the body work to get the marching band member back to begin un injured?
The body's natural ability to repair itself and maintain homeostasis make the wounded portions heal. Due to degrees of organization's capacity for repair.
What do we mean organization?A cooperative group of individuals is known as an organisation, which can be a business, neighbourhood association, nonprofit, or union. The word "organisation" can be used to refer to an individual, a team, a business, or the development of anything. A structured grouping of people, such as a company, nonprofit, political party, or club, is known as an organisation. These speciality schools are mostly run by nonprofit organisations.
What is the importance of organization?It not only aids in the proper assignment of jobs to competent personnel, but it also makes sure that no time or resources are lost due to duplication of effort. Thanks to efficient organisation, every individual in the organisation has a successful role-job fit. It helps to avoid confusion, delays, effort duplication, and task overlap.
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Can a community be both liveable and sustainable?
Answer:
livability is the part of sustainability relating to people being able to build a community in a specific place, time, and location. A sustainable community is not always livable.
What is a Livable Community?
A livable community can be one that cultivates diverse leadership and civic engagement, fosters a sense of community, connects people and resources, practices dialogue, embraces diversity, operationalizes racial justice and shapes its future.
What is the relationship between liveability and sustainability?
sustainability assumes an unchanging vision that joins economics,
livability is dynamic and evolves in response to shifting conditions and values.
How many PAIRS of chromosomes are there in each of the body
a. Horse____
b. Mosquito____
c. Spinach____
d. Lily___
e. Human____
f. Housefly___
Answer: There are 23 pairs of chromosomes in the human body, meaning that we have 46 chromosomes in total. Different numbers of chromosomes can lead to health problems such as Down Syndrome. The only cells in our body that don’t have a pair of chromosomes are the reproductive cells, as these have a copy of all of our chromosomes.
Pairs of chromosomes in each of them:
a. Horse 31
b. Mosquito 3
c. Spinach 12
d. Lily 24
e. Human 23
f. Housefly 12
Horses have 31 pairs of autosomes (non-sex chromosomes) and one pair of sex chromosomes (X and Y). One copy of each chromosome comes from the father, and one copy comes from the dam. The foal can inherit one of four different chromosomal combinations from its parents.Mosquitoes have three pairs of chromosomes: two pairs of sex chromosomes (XX in females and XY in males) and two pairs of submetacentric autosomes.The Chenopodiaceae family includes cultivated spinach. It is a dioecious species with distinct male and female plants as well as sporadic monoecious plants with both male and female blooms. Spinach has 2n = 12 chromosomes, making it a diploid species genetically.This number is 24 in the case of lilies, 12 from the female parent and 12 from the male parent. Lilies with this number of chromosomes are referred to be diploid since it is a fixed number. Sometimes lilies with more chromosomes than usual develop due to a natural accident or human intervention.Normally, humans have 46 chromosomes overall, or 23 pairs of chromosomes. All of the genes for the body are found in chromosomes, which are composed of long strands of DNA.The housefly contains 12 diploid chromosomes in total, including two heterochromatic sex chromosomes and five pairs of autosomal chromosomes.
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What diversity refers to all the different genes contained within all members of a population?
a. Species
b. Ecosystem
c. Genetic
d. Character
The diversity that refers to all the different genes contained in all members of a population is genetic diversity.
The correct answer is A.
Gene diversity is the diversity of individuals within one species of living thing. Gene diversity results in variations between individuals of the same kind. Examples of diversity at this gene level are white roses, red roses, and yellow roses which have differences, namely differences in terms of flower color.
The characteristics of genetic diversity are: Each individual has many genes, if there is a crossing between individuals with different characteristics it will produce offspring with many variations.
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In a group of leopards, some individuals have a spotted coat and others have a black coat. In this group, the gene for the coat pattern trait has two alleles. The allele A is for a spotted coat, and the allele a is for a black coat.
Sabrina, a leopard from this group, has a spotted coat. Sabrina has two alleles for a spotted coat.
Based on this information, what is Sabrina's genotype for the coat pattern gene?
AA
a spotted coat
Aa
a black coat
Answer: If I'm right it should be Aa, a black coat
Explanation:
•Explain how Earth's history is divided in
the geologic time scale.
Answer:The geologic time scale is the “calendar” for events in Earth history. It subdivides all time into named units of abstract time called—in descending order of duration—eons, eras, periods, epochs, and ages.
Explanation:
What are the 3 factors influencing flexibility?
The three most important factors influencing flexibility are environment, attitude, and skills.
First, environment plays a major role in influencing flexibility. It is important to create an environment that encourages change, innovation, and growth. This can come in the form of providing access to resources and support systems, as well as creating an atmosphere of collaboration and open communication. This type of environment encourages employees to be creative and willing to take risks, which is essential for developing flexibility.
Second, attitude is another factor that influences flexibility. Those who are open-minded, curious, and willing to explore new ideas are more likely to be flexible and adaptive. This attitude of openness encourages the development of new skills and helps to foster a culture of experimentation and learning. It is important to cultivate an attitude that is open to change and willing to explore new opportunities.
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Why can humans not rely on the transport method used in small organisms what can they do to overcome this
Humans cannot rely on the transport methods used in small organisms because we have much larger and more complex bodies that require specialized systems to transport materials such as oxygen, nutrients, and waste products.
Small organisms, such as single-celled organisms, can rely on diffusion, which is the movement of molecules from an area of high concentration to an area of low concentration, to transport materials throughout their body. However, diffusion is not efficient for larger organisms like humans, as the distance that materials need to travel is much greater.
To overcome this, humans have developed specialized transport systems such as the circulatory system and the respiratory system. The circulatory system, which includes the heart, blood vessels, and blood, is responsible for pumping oxygen and nutrients to the cells and removing waste products. The respiratory system, which includes the lungs, trachea, and bronchi, is responsible for getting oxygen into the body and getting rid of carbon dioxide. Additionally, humans have a complex nervous system which coordinates and controls all the vital functions of the body.
In summary, Humans rely on specialized transport systems like circulation, respiration, and nervous system to overcome the limitations of diffusion, which is the transport method used in small organisms.
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Help! which statement is true about the chemical elements found in living things?
A. Animal cells and plant cells contain very different elements.
B. all cells contain the elements carbon, nitrogen, hydrogen, and oxygen
C. unicellular organisms have different types of elements from multicellular organisms
D. only haploid cells contain hydrogen and carbon
Answer: The answer is B.
All living cells contain the same essential elements, such as carbon, nitrogen, and oxygen, according to a statement that is accurate regarding the kinds of chemical elements found in living cells.
What are macroelements, exactly?
The elements that living things need in large quantities are called macro-elements.
The growth and development of living cells are aided by these elements. These elements include, for instance:
Consequently, the statement that all living cells contain the same essential elements, such as carbon, nitrogen, and oxygen, is accurate regarding the kinds of chemical elements that can be found in living cells.