Does surface area increase permeability of membrane

Answers

Answer 1

Answer:

The magnitude of the concentration gradient depends on the membrane permeability. The concentration gradient changes the available surface area. It is suggested that a high-permeability compound is absorbed mainly from the top of the villi, while a low-permeability

Explanation:


Related Questions

What is the function of mitosis?
a) To produce four unique cells for sexual reproduction
b) To change one type of cell to another type of cell,
c) To heal a cell that has been damaged,
d) To produce two identical daughter cells to sustain an organism

Answers

Answer:

c

Explanation:

sorry if it's wrong but yea

Answer:

d

Explanation:

Help me Pleaseeeee its only for grade 5​

Answers

What help u need ?
....

mendel’s law of segregation states that the two alleles for each gene separate during gamete formation. during which stage of meiosis do the alleles separate?

Answers

anaphase (the chromatids pull apart to opposite ends)

The stage of meiosis at which the alleles separate is anaphase. The correct option is B.

What is meiosis?

Meiosis is a type of cell division of germ cells that produces gametes such as sperm or egg cells in reproducing organisms through gametes.

It entails two rounds of division, resulting in four cells with only one copy of each chromosome.

Meiosis 1 separates a pair of homologous chromosomes and converts a diploid cell to a haploid cell. It is divided into four stages: prophase, metaphase, anaphase, and telophase.

The homologues are pulled apart and moved to opposite ends of the cell during anaphase I.

The sister chromatids of each chromosome, on the other hand, remain attached to one another and do not separate. Finally, in telophase I, the chromosomes arrive at the cell's opposite poles.

Thus, the correct option is B.

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Your question seems incomplete, the missing options are:

Metaphase.Anaphase.Prophase.Embryo formation.




Depletion time describes the length of time it takes to use up

Answers

Answer:

80% of a mineral reserve

Explanation:

i got 100% on this unit

The best advantage of sexual reproduction is?
It is more efficient than asexual reproduction
It is safer than asexual reproduction
It results in identical offspring
It increase genetic diversity through meiosis, crossing over, and random assortment of chromosomes

Answers

Answer:

it increase the genetic diversity through meiosis , crossing over and random assortment of chromosome

Explanation:

There are two main processes during sexual reproduction: meiosis, involving the halving of the number of chromosomes, and fertilization, involving the fusion of two gametes and the restoration of the original number of chromosomes.

while asexual reproduction doesn't form any reproduction that involves neither meiosis nor fusion of gametes

Which of the following statements defines ovulation?

Ovulation is when an immature ovum develops into a mature ovum.
*Ovulation is the release of a mature ovum, which occurs once each month.
Ovulation is the production of an ovum that occurs each month.
Ovulation is the monthly discharge of the uterine lining.

Answers

Answer:

b. Ovulation is the release of a mature ovum, which occurs once each month.

Explanation:is correct. post protected

Ovulation is the release of a mature ovum, which occurs once each month. The correct option is B.

What is ovulation?

The process of an egg being released from the ovary is called ovulation. The egg is released and travels down the fallopian tube, where it remains for 12 to 24 hours before being fertilised.

Although ovulation is necessary for conception, more than simply an egg is required. For instance, there needs to be a clear path to the egg. A blocked fallopian tube prevents pregnancy from happening.

Around the time of ovulation, you could notice that your cervical mucus is wetter, clearer, and more slippery. After ovulation, there is a slight increase in body temperature that you might be able to measure with a thermometer.

Thus, the correct option is B.

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Receptors that are especially important for helping a person maintain balance are located in the (A) gyrus cinguli (B) inner ear (C) tendons (D) ossicles (E) ligaments

Answers

The receptors that aid in allowing a person to maintain balance are located within the inner ear.

The human ability to walk upright without falling, and a wide variety of other tasks that we perform as all thanks to our ability to maintain balance. This ability is given to us by structures located deep within the inner ear.

The inner ear is located deep within the lateral side of the head. This ear contains 3 semicircular canals or ducts, which are tiny structures filled with liquid. Each of these canals has an expansion at its end known as the ampulla, which holds within it the very small cellular balance receptors called crista.

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PLEASE HELP ME IM TIMED!

Answers

Answer:

All living things are composed of single cells or multiple cells

Explanation:

The cell theory states that all biological organisms are composed of cells; cells are the unit of life and all life come from preexisting life. The cell theory is so established today that it forms one of the unifying principles of biology.

If you help me I'll give you a brain list

Answers

I answered the first image in another question for you, though I noticed that the heart to body question was never answered (or at least properly answered).

The blood leaves our heart through the aortic valve, and travels into the aorta which ultimately leads to the body.

Hope this helps!

Cell process and transport toturial

Answers

Sorry Brainly can not provide this answer

If I had a section of DNA that contains 350 nucleotides and the A's and Ts made up 200 of
those nucleotides, how many As
Gs
Cs
and Ts
do I have?(.5 points each response)

Answers

Answer:

100 A

100 T

75   C

75   G

Explanation:

there will be an equal amount of thymine and adenine since they bind together so, 200/2 = 100 each

now there is 150 nucleotides left

guanine binds to cytosine so they also have an equal amount, so 150/2=75

Given, the number of nucleotides in the section of DNA = 350Nucleotides in DNA are of four types - Adenine (A), Guanine (G), Thymine (T), Cytosine (C).Adenine pairs with Thymine while Guanine pairs with Cytosine.Given, there are 200 nucleotides made by Adenine and Thymine.We know, Adenine pairs with Thymine so they will have equal number of nucleotides.So, the number of Adenine = the number of Thymine = 200 ÷ 2 = 100Number of nucleotides made by Guanine and Cytosine = 350 - 200 = 150We know, Guanine pairs with Cytosine so they will have equal number of nucleotides.Therefore, number of Guanine = number of Cytosine = 150 ÷ 2 = 75

Answer:

As = 100

Ts = 100

Gs = 75

Cs = 75

Hope you could get an idea from here.

Doubt clarification - use comment section.

10. What are the products of aerobic respiration? نقطة Ůاحدة a. Carbon dioxide and Water b. Glucose and Oxygen c. Glucose and Water d. Carbon Dioxide and Oxygen.

Answers

Answer:

a) Carbon dioxide and water

Explanation:

The reaction is called aerobic respiration, and it produces energy which transfers to the cells. Aerobic respiration makes two waste products:carbon dioxide and water.

A body was found at 12:22am on April 19. The temperature of the
body when found was 94 degrees. What was the approximate time of death?

Answers

343883822828827382829

4.

Which process produces the greatest amount of ATP per glucose molecule metabolized?
respiration
c. fermentation
b. digestion
d. photosynthesis
A. Respiration

Answers

Explanation:

Explanation: The electron transport chain generates the most ATP out of all three major phases of cellular respiration. Glycolysis produces a net of 2 ATP per molecule of glucose.

Answer:

a

Explanation:

HELP PLEASE! TY


A. How are radio waves used to create radar maps?


B. How does reflectivity help meteorologists figure out the weather shown on

radar maps?

Answers

A. These signals have been calibrated against actual visual and location readings for the amount of rain falling and cloud water content.

B. Reflectivity of an object helps indicate the amount of water that a cloud may carry. The stronger the reflected signal from the radar signal sent out, the easier the meteorologist will be able to tell what to expect.

I hope i helped! :D

Why can mutations in one organism function the same way in a different organism?​

Answers

No only a small percentage of variants cause genetic disorders of the most have no impact on health or development. For example some variants alter a gene DNA sequence.

When a nerve impulse reaches the end of an axon of a neuromuscular junction, calcium flows ______ the synaptic knob.

Answers

Answer: flows INTO the synaptic knob.

When a nerve impulse reaches the end of an axon of a neuromuscular junction, calcium flows into the synaptic knob.

In a neuromuscular junction, there are three parts. They are the presynaptic terminal or synaptic knob, the synaptic cleft and the postsynaptic terminal. The calcium ions will work in the synaptic knob when the nerve impulse arrives.

Once that the nerve impulse reaches the end of the axon, it will affect the presynaptic terminal. In there, it causes the opening of voltage-gated calcium channels. As a result:

Calcium flows into the presynaptic terminal.The calcium makes the vesicles (with neurotransmitters) descend and fuse with the terminal membrane to release the neurotransmitters to the synaptic cleft.

In conclusion, the nerve impulse causes the opening of voltage-gated calcium channels, and calcium flows into the synaptic knob.

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Identify the type of blood vessel shown below. How does its structure match its function?

Answers

Answer:

Can you also send the diagram

which enzyme is responsible for facilitating the hydrogen bonding between nucleotides

Answers

Answer:

The enzyme in charge of this is called a helicase (because it unwinds the helix). Which enzyme is responsible for facilitating the hydrogen bonding between nucleotides in a new DNA model? The DNA enzymes polymerase3 facilitates the hydrogen bond between nucleotides.

What is the importance of microtubules in cell division?(1 point)

They provide a pathway for organelles to move into the newly formed cell.


They reform the nucleus in the divided cell.


They organize and pull the chromosomes apart.
.

They start the process of cytokinesis.

Answers

Microtubules are very important in a number of cellular processes. They are involved in maintaining the structure of the cell and, together with microfilaments and intermediate filaments, they form the cytoskeleton. They also make up the internal structure of cilia and flagella.

Answer:

C) They organize and pull the chromosomes apart.

Explanation:

in the comments!

Hope this helps for all the other students looking for the answer!

Which adaptation is most likely to help a plant obtain water in a dry environment?

A. A waxy stem coating

B. Many sharp spines

C. A brightly colored flower

D. Many shallow roots

Please help me answer!!

Answers

Answer:

spines lose less water in hot enviroments and help protect against against animals so B.

what is the most common type of laboratory assay that is widely used to assess thyroid hormone concentration

Answers

Answer:
B, Immunoassay

Give TWO reasons why mechanical digestion of food is important! Marking brainliest

Answers

Answer:

Mechanical digestion is a purely physical process that does not change the chemical nature of the food. Instead, it makes the food smaller to increase both surface area and mobility. It includes mastication, or chewing, as well as tongue movements that help break food into smaller bits and mix food with saliva.

Explanation:

Hlww Xdxdxdxdxdxdxdxdxd

WILL YOU BE MY FRIEND ......

why is the cell membrane sometimes called the fluid mosaic model?

Answers

Answer:

Because it has many types of molecules that float along the lipids due to the many types of molecules that make up the cell membrane

Explanation:


[tex] \: \: [/tex]


What is Cost ???​

Answers

Answer:

An amount that has to be paid or spent to buy or obtain something is called cost.

Answer:

brainliest me

Explanation:

thx for the points

Which of the following is NOT a muscle of the abdominal wall?

Answers

Answer:

d. Erector spinae

Explanation: is correct

It should be Executor spinae

Organisms that obtain food by eating other organisms or the

remains of other organisms are called...

Answers

These are secondary consumers (predators/carnivores) . Then the remains of other organism detritus. And animals that feed on the detritus can be called decomposers or detrivores

Does a candy bar, piece of beef, butter, or bread turn up with the color blue/black on a Lugol’s (starch) test?

Answers

Answer:

bread passes the test for starch

Imagine for a moment that a large artery formed two branches carrying blood to two different organs. Branch 1 has a radius of 0.5 cm and Branch 2 has a radius of 1.0 cm. If the blood flow rate in Branch 1 is 2ml/min, what do you expect the blood flow rate of Branch 2 to be

Answers

The flow rate through Branch 2 is 8·√2 ml/min

Reasons:

Radius of Branch 1 = 0.5 cm

Radius of Branch 2 = 1.0 cm

Flow rate, Q = Velocity, V × Area, A

The area of the Branch 1 = π × 0.5² = 0.25·π

We have;

[tex]\dfrac{v_1^2}{r_1} = \dfrac{v_2^2}{r_2}[/tex]

Which gives;

[tex]v_2 = \mathbf{\sqrt{\dfrac{v_1^2}{r_1} \times r_2}}[/tex]

[tex]The \ velocity \ of \ Branch 1 , \ v_1 = \dfrac{2}{\pi \times 0.5^2} = \dfrac{8}{\pi}[/tex]

Therefore;

[tex]v_2 = \sqrt{\dfrac{\left(\dfrac{8}{\pi} \right) ^2}{0.5} \times1} = 8 \cdot\dfrac{\sqrt{2} }{\pi}[/tex]

[tex]The \ flow \ rate, \ Q_2 = 8 \cdot\dfrac{\sqrt{2} }{\pi} \times \pi \times 1^2 = 8 \times \sqrt{2}[/tex]

The flow rate through Branch 2 = 8·√2 ml/min

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HOW
TO
PROJECT: BUILDING DNA
The structure of DNA resembles a twisted ladder called a double helix. For this project, you will build a DNA molecule by
placing its basic parts together like pieces of a puzzle.

Answers

The structure of DNA resembles a twisted ladder because both strands are linked by hydrogen bonds.

What is DNA?

Deoxyribonucleic acid (DNA) is a double helix composed of two long chains of nucleotides linked by hydrogen bonds.

In DNA there exist only four different types of nucleotides (i.e., Guanine, Cytosine, Thymine and Adenine).

In conclusion, the structure of DNA resembles a twisted ladder because both strands are linked by hydrogen bonds.

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