What prevents the Na+ and K+ gradients from dissipating?a.H+-K+ ATPase
b.Na+ and K+ leaks
c.Na+ cotransporter
d.Na+-K+ ATPase

Answers

Answer 1

Answer: D. It is an enzyme which is an active form of transport, pumping Na out of the cell while pumping K into the cell against their concentration gradients. This transport maintains the gradient.

Answer 2

Answer:

Final answer:

The Na+-K+ ATPase, a membrane protein pump, prevents the sodium (Na+) and potassium (K+) gradients from dissipating by actively transporting these ions against their concentration gradients.

Explanation:

The mechanism that prevents the Na+ and K+ gradients from dissipating is the Na+-K+ ATPase. This is an integral membrane protein pump found in almost all animal cell membranes. This pump carries out the function of moving 3 sodium ions out of the cell and 2 potassium ions into the cell during each cycle of pumping. This is done at the expense of one ATP (adenosine triphosphate) molecule, hence the name ATPase. This active transport work against the concentration gradients of these ions, hence maintaining their respective gradients across the cell membrane.

Learn more about Na+-K+ ATPase pump here:

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Answers

Answer:

The answer is bees.

Hope this helps

Answer:

The correct answer is A; Bees

Explanation:

Correct on Edge 2020

Which aspect of a chemical reaction is affected by enzymes?

Answers

An enzyme lowers the activation energy required to start the reaction by holding the reactants in place.

How does ATP provide energy to your body?

Answers

Answer:

ATP is an energy holder, or almost like a battery.

Explanation:

ATP stores chemical energy. Cells in your body use ATP to fuel cellular processes. This means ATP transfers energy from food to your cells, and you gain energy.

Answer:

ATP is the most abundant energy-carrying molecule in your body. It harnesses the chemical energy found in food molecules and then releases it to fuel the work in the cell. Think of ATP as a common currency for the cells in your body. The food you eat is digested into small subunits of macronutrients

Explanation:

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A neighborhood group wants to build a new playground using donations from residents. The amount needed from each donor varies inversely to the number of people donating. If 25 people donate, each of them would need to contribute $135. Solve for the amount each person needs to contribute if 45 people donate.

Answers

First of all, we need to find out how much money is needed ,

25 x $ 135 = $ 3375

Next, we just need to divide this amount to total contributors

$ 3375 / 45 = $ 75 per person

Hope this helps

Answer:

Each person needs to contribute is $75.

Step by step explanation:

It is given that the number of people is 25. Each of them would need to contribute $135.

Total amount contributed by 25 people is the product of 25 and 135.

$25* 135=3375$

Total amount contributed by 25 people is $3375.

Now 45 people has to contribute the same amount $3375.

If 45 people donate $3375, then each people donate

$(3375)/(45)=75$

Therefore, each person needs to contribute is $75.

Which is a positive effect of using gps instead of a compass

Answers

The possible positive effect of using GPS with the society's advanced technology is easier, more accurate, and accessible, unlike a compass that you need to know how to read things in order to find directions.

An organism is found that has the following traits Produces seeds has a vascular system multicellular what kingdom does this organism most likely belong to? A. Animalia B. Plantae C. Protista D.Fungi

Answers

Answer:

Kingdom Plantae

Explanation:

All living organisms were classified into a large group called KINGDOM, based on the certain features or characteristics that they possessed. Organisms in Kingdom Plantae are multicellular eukaryotic organisms that are non-motile and usually found on substrate materials.

Organisms in this Kingdom are further divided into different divisions. The organism described to produce seeds and having a vascular system in this question belongs to a group under Kingdom Plantae called Angiosperms i.e. seed bearing plants.

All other divisions mentioned in the question do not produce seeds. Seed-bearing is peculiar to plants.

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