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Artemon [7]
3 years ago
8

The uppermost zone in lakes and ponds, which is close to the shore and rich in nutrients is called the _______.

Biology
1 answer:
irakobra [83]3 years ago
6 0
The answer is D. i just had this question on a quiz and it says D is correct
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What type of mutation occurs when a nucleotide is added to the DNA?
Yanka [14]

Answer:

A frameshift mutation.

Explanation:

A frameshift mutation is when one adds an extra nucleotide to a series of nucleotides. This will mess up the order of the nucleotide, thus when it forms the codons, and eventually, the amino acids; all of the codons are wrong, thus all of the amino acids are wrong.

In this situation, an extra nucleotide is added to a sequence of DNA, this results in all of the other nucleotides getting pushed over by (1). Thus, all of the nucleotides form the wrong codons and the wrong amino acids. Therefore, a frameshift mutation has occured.

4 0
2 years ago
Nucleus is present in the animal cell
Sidana [21]

Answer:

Yes.

Explanation:

The nucleus is present in both animal and plant cells.

7 0
3 years ago
The block shown above is a cube of halite. Each side measures 3 cm. Find the volume of the cube of halite.
ddd [48]

The block shown above is a cube of halite. Each side measures 3 cm. Then the volume of the cube of halite is 27 cm³.

<u>Explanation:</u>

Step 1:

All the sides of the cubes are equal.

Step 2:

Given,

 a= 3 cm

Step 3:

Volume of the cube = a³

                                 = 3 × 3 × 3

                                 = 27 cm³

Hence, The volume of the cube is 27 cm³

6 0
3 years ago
WILL GIVE BRAINLIEST<br> what is the powerhouse of the cell
densk [106]
Mitochondria is the powerhouse of the cell

Hope this helped

7 0
3 years ago
Read 2 more answers
Can you answer this?
maxonik [38]

Answer:

possibly the second one

Explanation:

not sure

3 0
2 years ago
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