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melisa1 [442]
3 years ago
15

What is a base?

Biology
2 answers:
never [62]3 years ago
7 0
I’m sorry if it’s wrong but I think its D
Valentin [98]3 years ago
4 0

Answer:

C. a substance that is alkaline

Explanation:

Alkaline substances are basic substances. Like all basic substances, alkaline substances have a high pH, above 7, in addition to mandatory release of the OH- anion in aqueous solutions.

Accordingly, we can say that it is incorrect to say that the bases can release the H + cation, or that it is a substance that has a low pH, or that it is a substance that receives the H + cation.

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A deletion mutation is a type of point mutation. true or false
maksim [4K]

Answer:

False.

Explanation:

It is just a regular mutation.

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3 years ago
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Sort the labels into the correct bin according to the effect that gramicidin would have on each process.
EleoNora [17]
Remains the same: proton pumping rate, electron transport rate, rate of oxygen uptake
Decreases or goes to zero: Rate of ATP synthesis, size of the proton gradient
<span>(Gramicidin causes membranes to become very leaky to protons, so that a proton gradient cannot be maintained and ATP synthesis stops. However, the leakiness of the membrane has no effect on the ability of electron transport to pump protons. Thus, the rates of proton pumping, electron transport, and oxygen uptake remain unchanged.)</span>
4 0
3 years ago
active transport occurs in cells for example when Na-k pump is at work.Any process that involves active transport most often inv
vekshin1

Answer:

Any process that involves active transport most often involves the​ expenditure of energy in the form of ATP hydrolysis.

Explanation:

Active transport in cells is a form of transport which involves the transport of solute molecules across a membrane against a concentration gradient using energy provided from some chemical reaction occuring in the cell.

Active transport is an endergonic (energy-requiring) process and therefore, must proceed only when coupled to an exergonic (energy-releasing) process such as the breakdown of ATP, an oxidation reaction, absorption of sunlight, etc.

In many instances in cell, such as the Na/K pump, ATP hydrolysis is the the common exergonic reaction to which active transport is coupled to.

8 0
3 years ago
A human cell is shown in the diagram.
jolli1 [7]

Answer:

Organelle 1

Explanation:

Organelle 1 is the nucleus which stores genetic material such as the xx or xy chromosomes which contain the information for what gender a person is.

3 0
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