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frutty [35]
3 years ago
8

What is the season in the northern hemisphere when the North Pole points most directly toward the sun

Biology
1 answer:
Mashcka [7]3 years ago
8 0

That instant ... typically some moment on june 21 or 22 ... marks
the beginning of the northern hemisphere Summer.


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Which habit would have the least variation in its salinity
SOVA2 [1]

Answer:

Mangrove forest

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Mangrove forest exist only in high saline environment. Lake is a closed type body of water so it is expected with the least variation of salinity.

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The substance used to separate the proteins from the dna
Genrish500 [490]

DNA is deoxyribonucleic acid, which is insoluble in ethanol. In the process of centrifugation the addition of ethanol can aid to separate protein from its DNA.

<h3>What is centrifugation?</h3>

Centrifugation is a process of separating different molecules in a given sample that have different densities by rotating them in solution around an axis at high speed.

It is the frequently applied techniques in the molecular biology laboratory.

The addition of alcohol or ethanol to the sample followed by centrifugation can separate the proteins from its DNA.

Thus, the substance used to separate the proteins from the DNA is alcohol or ethanol.

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7 0
2 years ago
What evolutionary development allowed plants to grow tall? see concept 29.3 (page 626)?
aivan3 [116]
If your choices are the following:
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Then the answer is E.</span>
4 0
3 years ago
(2)
Alex Ar [27]

The order in which the amino-acids are placed within the polypeptide determines the tertiary structure and therefore the function of the given protein. Amino acids have different functional groups like methyl(CH3), phenyl(C6H5). Those functional groups can interact with molecules like glucose determining reactions, the proteins that catalyze reactions are called enzymes. Other functional groups of amino acids can be the sulfate groups. For example, insulin has 2 polypeptide chains(Chain A has 21 amino acids, and chain B, 30). Between the two polypeptide chains, 2 disulfide bonds form altering its shape.

5 0
3 years ago
Plase can you guy help
jeka94

Answer:

1. observation

2. Analysis

3. conclusion

4. hypothesis

hope i helped

5 0
3 years ago
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