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makkiz [27]
3 years ago
8

Which of the following mutations would likely be most dangerous to a cell?A. Deletion of one nucleotideB. Deletion of three nucl

eotidesC. Substitution of one nucleotide for another
Biology
1 answer:
Harlamova29_29 [7]3 years ago
6 0

Answer:

A

Explanation:

The reason the deletion of a nucleotide can be a lethal mutation is that it causes a frameshift mutation. This is due to teh fact that the codon sequence on the DNA is shifted by a single nucleotide. Therefore, the codons will read differently downstream from the place the deletion happened. The amino acids coded for by these codons will change too. The translated proteins will be defective and the organisms will be adversely affected, phenotypically.

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Hope this helps!

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4 years ago
How fertilization occur in flowering plant​
Ghella [55]
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explanation: When pollen is formed by the anther, or male part of a plant, it will blow in the wind or attach to an organism that carries it to the top of the pistol, known as the stigma. Once the pollen attaches to the stigma, the pollen germinates and forms a pollen tube that extends into the ovary. Once formed, two sperm cells will be released and fertilize both the egg and the two polar nuclei of the plant to form the zygote and endosperm, respectfully.
7 0
2 years ago
ZWhat Organelle that conducts respiration for the cell
baherus [9]

Answer:

The organelle that conduct respiration for the cell is MITOCHONDRIA.

Explanation:

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3 years ago
The food oyramid suggest that a healthy diet consist of a large portion of cheese, butter, olive oil, or breads
babymother [125]

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8 0
3 years ago
What are possible negative effects of building a hydropower dam? Select the two correct answers.
MrMuchimi

The correct answers are B; Displacement of people living near the proposed dam and C; Lower river water levels in other areas.

Further Explanation:

The hydropower dam uses water instead of coal to generate electricity. Since they are build on the water, they will be using that source as a way to generate electricity. This will cause the water levels to be lower in some areas along the river.

When building a dam, they will need to use property that is located on the river. Many people own homes along the river banks all over the world. The company who will be building the dam will usually buy out the property owners at a fair market price. This will mean that they will have to move and leave their homes. The homes are typically torn down to make way for the dam.

In some instances, the water bills for the people in the area may be raised also since so much water is being used by the hydropower dam.

Learn more about a hydropower dam at brainly.com/question/5497101

#LearnwithBrainly

8 0
3 years ago
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