why do most cells in the human body divide infrequently?

Answers

Answer 1
Why do most cells in the human body divide infrequently? They have exited the cell cycle and entered G0. The free-energy change for the oxidation of glucose to CO2 and water is -686 kcal/mol, and the free-energy change for the reduction of NAD+ to NADH is +53 kcal/mol

Related Questions

At which of these times would you find most starch in a leaf

At the start of the day

In the middle of a day

At the end of a day

Answers

In the middle of the day

why is the digestion of starch to glucose necessary

Answers

Answer: The fundamental sugar unit for carbs is usually glucose. To address your question, starch digestion is required because enzymes and transport molecules require tiny, regular molecules to work with, and glucose is the foundation of most carbohydrate metabolism.

Explanation:

Answer:

The molecule of starch is too large and complex to enter a cell and therefore, it cannot be ingested directly. It is important to break down the bigger molecules of starch into smaller and simpler molecules of glucose so as to perform the process of glycolysis.

Explanation:

The process of glycolysis happens at a cellular level where glucose molecules are further broken down and utilized as energy to carry on various other cellular processes. The process of glycolysis happens in two stages namely:Energy requiring stage:Step 1: Glucose phosphorylation where a molecule of phosphorus is added to the glucose ring.Step 2: Energy releasing phase where the molecule of glucose-6-phosphate is converted to  fructose-6-phosphate. Step 3: involves the phosphofructokinase reaction where fructose-6-phosphate is converted into fructose1,6-biphosphate.Step 4: involves an enzyme aldolase which converts the FBP into 23 carbon isomers.Step 5: involves the formation of glyceraldehyde-3-phosphate.Energy releasing stage: It breaks down glyceraldehyde-3-phosphate to pyruvate releasing 4 ATP and 2 NADP for cellular processes.

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The cell cycle represents the coordinated sequence of events in the life of a cell from its formation to its division into two daughter cells.

a. True
b. False

Answers

The answer is true. I hope this helps. pleasemark brailyist

..If two solutions are isotonic to each other, then...

Answers

Answer:

They have the same concentration.

Explanation:

Isotonic, by definition, means that the two solutions are of equal concentration

organisms that cannot make their own food are called

Answers

Answer:

Heterotrophs

Explanation:

Heterotrophs are organisms that cannot make their own food.

Answer:

Organism that eats or absorbs other organisms for food; can't make their own food from energy; also called a heterotroph.

Explanation:

when does cognito farm use antibiotics on its cattle?

Answers

Answer:

Only when they are sick.

Explanation:

What Is an example of importance for living organisms?
(don¨t answer that unless you want to)

Is it me or is every freaking thing we post, it gets deleted?
like dam.n what we do? were just living.
anyways, how are y´all doing?

Answers

Answer:

Ikr it's not fair anyways I would answer your question but I'm a little slow lol

Answer:

All living organisms require water for survival.

For example, all oxygen-dependent organisms need water to aid in the respiration process. Water has many uses for organisms.

Explanation:

Organisms need water because..

Cellular processes need water for their functioning.Substances dissolve in water for reactions to take place within the cells.Water helps in digestion of food and its absorption in the blood.It helps to maintain body temperature

Here are the sites I used if you would like more information

https://www.studyadda.com/ncert-solution/9th-science-natural-resources/291/27116

https://sciencing.com/water-important-living-organisms-6498727.html#:~:text=All%20living%20organisms%20require%20water,has%20many%20uses%20for%20organisms.


please help!! will mark brainliest

Answers

Answer:

Cabbage Haploid: 9

Chimpanzee Haploid: 24

Horse Diploid: 64

Kangaroo Diploid: 12

Human Diploid: 46

Please someone help me asap. <3

Answers

I can what do you need help with?

what is the geosphere, also called the lithosphere

Answers

Answer:

The lithosphere is part of a larger sphere called the geosphere. ... The lithosphere refers to the outer part of the geosphere, which includes the upper part of the mantle and the crust. The lithosphere is also part of the Earth where the rock cycle is found.

If an atom has an atomic number of 12, it has 12 electrons.
True
False

Answers

Answer:

True, but it depends

Explanation:

If we specify a neutral atom, there MUST be equal numbers of positive charges, nuclear protons, and negative charges, electrons, that are conceived to orbit around the nuclear core.

Answer:

false

Explanation:

autorhythmic cells can generate action potentials spontaneously because they have

Answers

Answer:

Unstable membrane potentials

Explanation:

which skin cancer arises from the youngest epidermal cells

Answers

Answer:

Basal cell carcinoma develops from the youngest epidermal cells.

True/false: nerve tissue is found in the retina; the rods and cones in the back of the eye

Answers

True :) they are found in The retina it’s a layer of nervous tissue that covers the inside of the back 2/3 of the eyeball

what processes do all cells need to do to stay alive?

Answers

They would need the supply of substances such as sugar minerals oxygen and dispose of waste products

Line is defined as a
a. a geometric shape that is open and moves from one point to another.
b. a slowly curving path along a plane.
C. a path through space.
d. The distance or area between around, above, below,and within objects.
Please select the best answer from the choices provided
Ο Α
ОВ
OD

Answers

Answer:

A is the answer

Explanation:

a line is a infinetly thin infinetly long straight line.

WHAT IS MEDIAN??????????????​

Answers

Answer:

The middle value in a set of numbers arranged in increasing order. If there is an even number of values, then median is the average of the middle two values.

In anatomy (as your question is marked Biology), the median is situated in the middle; central, intermediate.

I need help with this the 3 blanks where it says answer

Answers

Answer:

C will pair with G

then C will pair with G

write G and C

Explanation:

because Adanine(A) always pairs with thymine(T) and cytosine(C) with guanine(G) an easy way to remember this is by Apple Tree and Car Garage.

hope this helps :)

Why is mucus and cilia first line defense?

Answers

Answer:

the cluos in the cilia

Explanation:

it helps for you

Enzymes can help make bigger molecules oflr break them down by making or breaking ________.​

Answers

Answer:

active site im not sure if it's right

Explain why roots are not needed in marine algae?

Answers

Because they lack vascular system !

Match the description with the correct term

Answers

Can I see the photo

como puedo evitar el sobepeso?

Answers

Answer:

Explanation:

Limitar el consumo de alimentos que sean ricos en azúcares y grasas

Come varias veces al día fruta y verdura,

Realiza actividad física frecuente:

Guys please help me this is my second post lol- help asappp pls

How are coastal ecosystems a major source of oxygen for the rest of Earths waters?

Answers

Answer:

The ocean produces oxygen through the plants (phytoplankton, kelp, and algal plankton) that live in it.

Explanation:

how is the information contained in a signaling molecule received by a cell?

Answers

Answer: Depending on the nature of the signaling molecule, it may either bind to and activate a receptor protein embedded in the plasma membrane, or it may move across the plasma membrane and bind to a receptor protein in the cytoplasm.

Explanation: I found this answer on quizlet

Answer:

How is the information contained in a signaling molecule received by a cell? Depending on the nature of the signaling molecule, it may either bind to and activate a receptor protein embedded in the plasma membrane, or it may move across the plasma membrane and bind to a receptor protein in the cytoplasm

Explanation:

Does carbon make up an amino acid?

Answers

Answer: Hope this helps!

Explanation:Amino acids are the monomers that make up proteins.

Answer:

carbon is a part of the amino acid formula, but it's not the only component :)

Explanation:

A block of aluminum has a mass of 40.5 grams. If the density of aluminum is 2.7 g/mL, what is the
volume of this block?

Answers

Answer: 15 mL

Explanation:

Volume = Mass ÷ Density

             = 40.5 g ÷ 2.7 g/mL

             = 15 mL

∴ the volume of the block of aluminum is 15 mL.

Which of the following statements best describes a benefit of sexual reproduction?
It creates many offspring in a short amount of time.
A
B
It prevents mutations from being passed on to offspring.
С
It results in diversity of the species that enhances the probability of survival.
D
It ensures the offspring will receive only the best traits from each of the parents.

Answers

Among the listed options, we can conclude that option C which states that "It results in the diversity of the species that enhances the probability of survival." is correct.

Sexual reproduction offers organisms an advantage over those who undergo Asexual reproduction. Though there are benefits and drawbacks to each method, Sexual reproduction is a method that is better adapted to a changing environment and promotes the faster evolution of a species.

The main benefit of sexual reproduction is that it allows for a greater diversity of the species which enhances the probability of survival. This is due to the fact that sexual reproduction leads to varying combinations of alleles for specific traits, which coupled with selective reproduction (the ability of a member of the species to choose a spouse with desirable traits) leads to offspring who over time are increasingly better adapted to life in the given environment, with specific traits tailored for survival.

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which is not part of the conducting portion of the respiratory system?

Answers

Answer:Which is not part of the conducting portion of the respiratory system? The epithelial lining of the oropharynx and the superior larynx (vocal cords) is nonkeratinized stratified squamous. In general, respiratory zone structures are lined with a thicker mucosa than conducting zone structures.

Explanation:

brainliest pls

The part that is not the conducting portion of the respiratory system is the alveoli, which is in option D, as this is not a part of the conducting portion but a part of the respiratory system. So, option d is correct.

The alveoli are small, thin-walled sacs located at the end of the bronchioles in the lungs. They are responsible for gas exchange, where oxygen is taken up from the inhaled air and carbon dioxide is released into the exhaled air. While the alveoli are an essential part of the respiratory system, they are not considered part of the conducting portion. Instead, they are part of the respiratory portion, where gas exchange occurs.  So, option d is correct.

Learn more about the respiratory system here.

https://brainly.com/question/30789562

#SPJ4

complete question is below

which is not part of the conducting portion of the respiratory system?

A.heart

B.eye

C.skin

D.alveoli


Concentration of water in a solution outside the cell is 30% The concentration of
water inside the cell is 70%. In what direction will the solvent move if diffusion
occurs? Is energy required?

Answers

Answer:

water will move out of the cell,energy is required

Explanation:

water moves through osmosis which is the movement of water molecules from a region of higher concentration to a region of lower concentration.

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