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Fittoniya [83]
3 years ago
7

What nitrogen base does Cytosine pair with

Biology
1 answer:
Harlamova29_29 [7]3 years ago
7 0

Answer:

Guanine

Explanation:

There are <em>four</em> nitrogenous bases in DNA, <em>two purines</em> (adenine and guanine) and <em>two</em> <em>pyrimidines</em> (cytosine and thymine)

Adenine always bonds with thymine, and cytosine <em>always bonds with</em> guanine.

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According to the theory of global warming which statement is the most likely reason for the current climate change?
Luda [366]

Answer:

If we could see your choices, it would better help us to help you.

Explanation:

But, if you are referring to the most widely accepted theory:

Anthropogenic (man-made) Global Warming, or AGW.  The theory states that man-made greenhouse gases, primarily carbon dioxide (CO2 ), are the predominant cause for the global warming that has occurred during the past 50 years.

5 0
3 years ago
Can recessive genes be expressed if the gene pair is heterozygous and why?​
disa [49]

Answer:

Recessive alleles are denoted by a lowercase letter (a versus A). Only individuals with an aa genotype will express a recessive trait; therefore, offspring must receive one recessive allele from each parent to exhibit a recessive trait.

Explanation: Is this what you were looking for?

3 0
3 years ago
Read 2 more answers
Which answer helps to explain why all living cells need ph buffers?
defon

Answer;

Amino acid side chains have many carboxyl and amino groups.

Explanation;

-A buffer solution is a solution that resists changes in pH when small quantities of an acid or an alkali are added to it. It is a chemical substance that helps maintain a relatively constant pH in a solution, even in the face of addition of acids or bases.

-Buffering is important in living systems as a means of maintaining a fairly constant internal environment, also known as homeostasis.Small molecules such as bicarbonate and phosphate provide buffering capacity as do other substances, such as hemoglobin and other proteins.

- Protein buffer systems depend upon proteins, as opposed to nonprotein molecules, to act as buffers and consume small amounts of acid or base. Since amino acids have the capability of reacting with both acid and base, they naturally act as buffers.

4 0
4 years ago
A culture of insulin-responsive cells is analyzed after stimulation with insulin. The insulin receptors are then isolated (assum
djyliett [7]

Answer:

The α and β subunits of the insulin receptor form two bands in the SDS-PAGE gel. Moreover, in the Western blot analysis, there is just one band corresponding to the β subunit, since this subunit contains phosphorylated tyrosines, while α subunit doesn't have.

4 0
4 years ago
1.1.2.
mestny [16]

Answer:

c

Explanation:

Think about when you have a can of coke too long in the freezer it expands. So same amount of product fill more space making can explode

5 0
4 years ago
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