Answer:
Metabolism
ayan ang sagot pri..
QUESTION 3
3.1 The diagram below shows a cholera bacterium. It has been magnified 50 000
times
A
В
1 mm - 1000um
3.1.1 Name structure C.
(1)
3.1.2 State the function of structure C.
3.1.3 Calculate the actual width of the cholera bacterium between points X
and Y. Give your answer in micrometers (um). Show all working
(2)
Answer:
Looks hard
Explanation:
I dont know how to do this
Actual width of the cholera bacterium between points X and Y is: 6.5 mm × (1,000 um/1 mm) = 6,500 um.
What is cholera bacterium?The cholera bacterium is a single-celled, rod-shaped bacterium called Vibrio cholerae. It is a type of bacteria that can cause severe diarrhea and dehydration if ingested through contaminated water or food.
The actual width of the cholera bacterium between points X and Y can be calculated as follows:
Width of the bacterium on the diagram = 0.06 cm
Magnification = 50,000 times
Actual width of the bacterium = (width on the diagram) / magnification
= (0.06 cm) / (50,000)
= 0.0000012 cm = 0.012 µm (micrometers)
Thus, the structure C is flagellum and its function is to provide locomotion.
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Your question seems incomplete, the probable complete question is:
how many new cells does your body produce every day ?
Answer: your body replaces around 330 billion cells per day. At that rate, your body is making over 3.8 million new cells every second.
Answer:
330 billion cells
Explanation:
330 cells every day are replaced equivalent to about 1 percent of all our cells. 3.8 million every second
True or false
Transpiration pull will be stronger on a hot, humid day more than on a hot
dry day.
Students are each given a 20-gram sample of an unknown solid compound in a clear plastic bag. They are instructed to break the material into smaller parts by gently hitting it with a hammer. Some of the parts break into large chunks and some look like a fine powder.
Which statement correctly describes these broken pieces of the sample?
The fine powder pieces are individual atoms broken from the solid.
The larger pieces are still compounds and the smaller pieces are elements.
Each piece contains the same number of atoms.
Each piece contains the same proportion of different elements.
Answer:
D - Each piece contains the same proportion of different elements
Explanation:
just took the quiz on edge 2021
D, I did the test just now and got 100% :)
Solve the following. Show your solution.
1.) 820.0 mL of air is at 30.0 °C. What is the volume at
55.0 °C?
can you help. me?
Answer:1503.3 mL
Explanation:
So we can know that it is direct proportion, so the volume at 55.0 C is 55/30 X 820 so it is 1503mL
Resources that humans have thanks to biodiversity are:
A.Textiles
B. Wood products
C. Compounds used in medicines
D. all of the above.
Answer:
D. tất cả các ý trên
Explanation:
Question 8 of 10
Which question can be answered using the scientific process?
you need ot put the thing
Answer: Answer: Option D is the correct one. Science consists of methodsical activities that formulate hypotheses by using observations and experiments in order to address scientific questions.
Explanation:
I can't see the questions but i did this before sooo I may or may not be correct
give 5 application of Charles law
Answer:
Try out a turkey timer. Pop-up turkey thermometers work by applying Charles' Law. The thermometer is placed in the turkey. As the temperature rises and the turkey cooks, the air in the thermometer expands to pop the plunger
Identify the structure shown below, describe it in detail. Make sure to include following points.
1. Name of the structure.
2. Nitrogen base pairing.
3. Its role in an organisms body.
Explanation:
1. DNA double helix
2. adenine and thymine cytosine and guanine
3. To contain genetic materials
. Revisa las etiquetas de los alimentos que tengas en tu casa para ver si hay alguno vencido. ¿Qué le recomendarías a tu familia? ¿Por qué?
Answer:
Para comer alimentos sanos y frescos.
Explicación:
Recomiendo a mi familia los alimentos que aún no están vencidos o que son frescos porque los alimentos frescos hacen que nuestra condición de salud sea buena en comparación con los alimentos vencidos. Hay un crecimiento de patógenos como bacterias, hongos, etc.en los alimentos que los hacen dañinos para las personas y causan intoxicación alimentaria en las personas que los consumen, por eso tenemos que ver las etiquetas presentes en los alimentos para verificar su condiciones.
Cellular respiration is essential for the survival of the Euglena. Why?
Please help me.
Answer:
This organism is able to carry out both photosynthesis and cellular respiration. That's why cellular respiration is essential for the survival of the Euglena.
A sequence of chemical processes known as cellular respiration convert glucose into ATP, which can then be used as energy for a variety of bodily functions.
What is cellular respiration?Glycolysis, the citric acid cycle, and oxidative phosphorylation are the three basic processes that take place during cellular respiration. The citric acid cycle happens in the mitochondrial matrix, oxidative phosphorylation happens on the inner mitochondrial membrane, and glycolysis happens in the cytoplasm.
Glucose, ATP, and NAD+ are the initial reactants and ATP and H2O are the end products of cellular respiration. The enzymes phosphofructokinase-1, pyruvate dehydrogenase, and isocitrate dehydrogenase control the rate of cellular respiration.
Disorders that interfere with cellular respiration often impair one or more of the enzymes necessary for it, such as succinyl-CoA synthase or pyruvate kinase.
Therefore, A sequence of chemical processes known as cellular respiration convert glucose into ATP, which can then be used as energy for a variety of bodily functions.
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What is the human female reproductive cycle regulated by?
hope this helps
Answer:
The menstrual cycle is regulated by hormones. Luteinizing hormone and follicle-stimulating hormone, which are produced by the pituitary gland, promote ovulation and stimulate the ovaries to produce estrogen and progesterone.
Where are sperm produced?
A. Vas deferens
B. Testes
C. Ejaculatory duct
D. Epididymis
Answer:
Option B
testes not copied
Which of the following is an advantage of sexual reproduction?
A. The offspring are genetically different to each other and to the parents
B. A lot of time and energy are required for finding mates
C. The genetic differences help organisms to adapt to their environment and survive
D. Offspring can be produced more slowly than by asexual reproduction
Answer:
C
Explanation: hope it helped
7. The living part of earth where life exist *
geosphere
hydrosphere
nitrosphere
biosphere
Answer:
biosphere
Explanation:
The biosphere is made up of the parts of the earth where life exists.
The biosphere extends from the deepest root systems of trees to the dark environment of ocean trenches,to lush rain forests and high mountain tops..
Cellulose is found throughout the cell wall of plant cells so cellulose make cells walls Ridgid which indicates that Cellulose is a
What is gigantism??
What is it caused by??
Answer: Gigantism is most commonly caused by a benign tumor on the pituitary gland called a pituitary adenoma. A number of disorders may also cause it, including neurofibromatosis.
Explanation:
McCune-Albright syndrome (MAS)
Explain the difference between exponential growth models and logistic growth models and insert a picture of each model.
Answer:
When the per capita rate of increase ( r) takes the same positive value regardless of the population size, then we get exponential growth. When the per capita rate of increase ( r) decreases as the population increases towards a maximum limit, then we get logistic growth.
Explanation:
Exponential population growth: When resources are unlimited, populations exhibit exponential growth, resulting in a J-shaped curve. When resources are limited, populations exhibit logistic growth. In logistic growth, population expansion decreases as resources become scarce.
I just need number one I need to fill in the blanks
Translation occurs in the ribosome and is important because
Answer: Translation takes place inside structures called ribosomes, which are made of RNA and protein. Ribosomes organize translation and catalyze the reaction that joins amino acids to make a protein chain. A ribosome is shown with mRNA and tRNA.
Explanation:
Hope it helps you if not sorry
Need a bit of helpppppppppppppppppppppp thank you
Explanation:
If the concentration of molecules outside the cell is very high relative to the internal cell concentration, the rate of diffusion will also be high. If the internal and external concentrations are similar (low concentration gradient) the rate of diffusion will be low.
What part of the body is not working as it should when you have coronavirus
Answer: The abdomen mainly the heart and brain.
Explanation: Corona virus mainly attacks the lungs
clogging them up with mucus making it hard to breath
this can disrupt airflow throught the blood.
What are two different characteristics that scientists examine to classify living things?
a. blood characteristics and naming characteristics
b.chemical characteristics and DNA characteristics
c.physical characteristics and chemical characteristics
d. physical characteristics and environmental characteristics
Characteristics such as appearance, reproduction, mobility, and functionality are just a few ways in which living organisms are grouped together. These specialized groups are collectively called the classification of living things.
Scientists examine the physical and chemical properties of organisms to classify them. Thus, the correct option is C.
The physical characteristics of organisms include the macroscopic and microscopic characteristics such as body's structure, the type of specialized tissue present, the skin type, the cellular structure
The chemical characteristics of organisms include the cellular composition, the type of proteins present, the organ/tissue system present, the DNA composition, the enzymes present, the metabolic processes that occur.
Thus, the correct option is C.
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The change in the circled offspring’s genotype was caused by a mutation. A mutation is a change in a gene. Mutations happen when a mistake is made when a cell’s chromosomes are copied. How might mutations introduce variation into a population? EXPLAIN
there will be changes in the number of chromosomes
A mutation is a change in a gene. Mutations happen when a mistake is made when a cell’s chromosomes are copied. Mutations introduce variation into a population by changing the genome and introducing new changes that might or might not be beneficial.
What is mutation ?It is defined as the change that is caused in terms of certain type of change that is introduced by knowingly or unknowingly.
A mutation is a change in a gene. Mutations happen when a mistake is made when a cell’s chromosomes are copied. Suppose if a genetic codon AUG has to be inserted by the mRNA which earlier has to code for methionine and was a start codon but with time U got replaced and the new codon is made which changes the expression.
Mutations that are born are none other than insertion of some other amino acids or codon , deletion of some bases and other mutations as well which leads to the variation in the species.
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Neutral theory proposes that
A) molecular clocks are more reliable when the surrounding pH is close to 7.0.
B) most mutations of highly conserved DNA sequences should have no functional effect.
C) DNA is less susceptible to mutation when it codes for amino acid sequences whose side groups (or R groups) have a neutral pH.
D) DNA is less susceptible to mutation when it codes for amino acid sequences whose side groups (or R groups) have a neutral electrical charge.
E) a significant proportion of mutations are not acted upon by natural selection.
Answer:
The correct answer is E) a significant proportion of mutations are not acted upon by natural selection.
Explanation:
The neutral theory, proposed by Motoo Kimura in 1968, proposes that part of the molecular variability produced by mutations that exists in populations is natural variability, that is, a large part of the genetic variation observed in populations is due to random fluctuation of genetic variants that are neutral, on which natural selection hardly acts, so they are not an evolutionary force since they do not contribute predominantly to natural selection and proposes genetic drift as an evolutionary mechanism.
Difference between radiation conduction and convection detailed with examples. I’ll give brainliest.
Explanation:
Conduction, convection and radiation are the modes of heat transfer:
Conduction:
Microscopic level of heat transfer
Also called as thermal diffusion(takes place due to atomic vibrations) and is highly invisible
Primarily occurs in solid-solid systems and stagnant liquids
Convection:
Macroscopic level of heat transfer
Primary occurs in fluids(involves bulk movement of fluids)
2 types of convection are possible — with external source of energy (forced convection) and without external source of energy (free convection)
Radiation:
Transfer occurs through electromagnetic waves
No medium is required unlike conduction and convection. Radiation can occur even in vacuum.
These are different processes of transferring energy from one place to another.
Radiation is the sunlight and (heat). It travels as electromagnetic wave and does not need matter to transfer energy. Hence radiation is the only mode of transferring energy in vaccuum, for example, light of visible and invisible wavelengths reaches from the sun and other stars as electromagnetic radiaton. Human body emits heat wave as radiation.
Convection and conduction refers to energy transfer through the motion of matter. The difference is how the molecules of matter move during the energy transfer.
Convection is that mode of energy transfer when matter also transfer from one place to another during energy transfer. Molecules of liquids and gases can move. So convection occurs in liquids and gases. It is visible when water is boiled on a gas burner.
Molecules of solids are too tightly bound to move. They vibrate about some average positions in space. Conduction is that mode of energy transfer when matter on average is not transferred from one place to another. Propagation of sound through solid wall is an example.
Some organisms are very successful because
Select one:
a. they can reproduce rapidly
b. they can reproduce both asexually and sexually
c. they are varied genetically
d. the species population is large.
The GLUT transporter moves glucose through a transport protein in the same direction as its concentration gradient. The action of the glucose transporter is an example of _____________. The SGLT transporter uses the sodium concentration gradient created by the sodium potassium ATPase to move glucose against its concentration gradient. The action of the SGLT transporter is an example of _______________.
Answer:
The correct answer is - facilitated transport and secondary active transport.
Explanation:
GLUT transporter is a glucose transporter that helps in moving the glucose to its concentration gradient through the cell membrane. It is a transport protein that uses passive transport of facilitated transport that moves down their concentration gradient and therefore does not require chemical energy from ATP hydrolysis in the transport step.
Sodium-based GLUT or SGLT is also a glucose transport protein that exhibits secondary active transport as it develops electrochemical potential difference by moving ions out of the cell membrane, this gradient allows the movement of ions and molecules.
ou have isolated a previously unstudied protein, identified its complete structure in detail, and determined that it catalyzes the breakdown of a large substrate. You notice it has two binding sites. One of these is large, apparently the bonding site for the large substrate; the other is small, possibly a binding site for a regulatory molecule. What do these findings tell you about the mechanism of this protein
Answer:
These findings tell us that possibly this protein has an enzymatic function, that is, it is an enzyme.
Its function can be catalytic as well as analytical.
The substrate binding site should be the largest, while the other regulatory site is the smallest.
Explanation:
This happens since hormones regulate their enzymatic activity through inhibitory sites.
They have another smaller binding site, where when an inhibitory molecule binds, it deforms the morphology of the protein causing it to no longer bind to its substrate at the binding site, therefore they inhibit the chemical reaction that is happening within the enzyme. both catalytic and analytical.
how did adaptive radiation affect plants after they first moved to land
Explanation:
it gradually stops seed growth and sprouting depending on how much radiation is released.If there is too much evaporation due to intense radiation,the stomata closes to reserve water and if the stomata is unable to open for a long period of time the growth of the plant is stunted.