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Rom4ik [11]
3 years ago
13

Mutations can be both harmful and helpful. Indicate which of these can be caused by a genetic mutation. A) AIDS B) influenza C)

chickenpox D) cystic fibrosis
Biology
2 answers:
pogonyaev3 years ago
6 0

The correct answer is option D

Cystic fibrosis is a hereditary diseases that affects the lungs and digestive system of the human being. The body of such individuals produce sticky and thick mucous clog the lungs and pancreas.

It can be a life threatening disease and people with such disease tend to have shorter life span.

The people can survive till the age of 40 or 50 earlier, children died before reaching the elementary school age.

ira [324]3 years ago
5 0

Cystic fibrosis is a genetic mutation. It is one of the most common genetic diseases in the world. There is no cure for CF.


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The cell cycle of yeast cells grown in the nutrient-poor environment is approximately what percent of the cell cycle of yeast ce
vova2212 [387]

Answer:

Upon nutrient limitation, budding yeast will produce daughter cells less than 20% of the mother cell size. This asymmetric division may select for growth functions that are efficient over a larger range in cell sizes, such as exponential growth. In turn, efficient growth over a large size range lessens the pressure to have precise size control.

Explanation:

In wild-type cells growing in nitrogen-rich medium, the size threshold to enter mitosis is high, and the G1/S size control is cryptic because cell division produces daughter cells with a size greater than the minimum required to initiate S phase. In these conditions, G2 is long and G1 is short. However, the cell size threshold to enter mitosis is greatly reduced when wild-type cells are shifted to medium with a poor nitrogen source, such as minimal medium with proline, isoleucine, or phenylalanine. In these conditions, wild-type cells initiate mitosis at a reduced cell size, generating two daughter cells that are smaller than the critical size threshold required to progress through G1/S

3 0
3 years ago
What are 3 ways examples of how biomass can be used for energy
rewona [7]
Electricity, heat and fuels.
8 0
3 years ago
What other evidence could you use to analyze evolutionary relatedness among gibbons, monkeys, and humans?
AysviL [449]

Since the question is incomplete, the answer will include the generalize ways that can be used to analyze evolutionary relatedness among gibbons, monkeys, and humans.

Answer:

The evolutionary relationship is important to understand the evolution of the organisms. The common ancestors and closely related species of the organisms can be known by study the evolutionary relationship of the organism.

The DNA sequence and the amino acid sequence of gibbons, monkeys, and humans are quite similar with each other. The gibbons and humans have more then 99% DNA sequence similarity. The physical characteristics, cranial capacity and anatomical characteristics of the gibbons, monkeys, and humans are more or less similar with each other.

5 0
3 years ago
Which of the following are true of trans-fatty acids?
pogonyaev

The following given statements are true of trans-fatty acids:

A. Often created by treating plant oils with hydrogen

D. Occur naturally in in food

<u>Explanation:</u>

The unsaturated fatty acids that are produced by a method called hydrogenation through the addition of a hydrogen molecule to vegetable oils is understood as "Trans-fatty acids". According to the hydrogenation process the composition of the fatty acids varies. The unsaturated fatty acids trans structure receives one double conjugated bond and obtains a straight shape and rectifies the twisted shape created by cis bonds.

Increasing the concentrations of trans-fatty acids particularly in the red blood cell membranes can lead to blockage of the blood vessel as a whole and enhance the risk of heart disease. Meat and dairy products kind natural food materials include trans fatty acids.

7 0
3 years ago
Read 2 more answers
Whitch statment best compares and contrasts lipids and carbohydrates?
yulyashka [42]

Answer:

The key difference between carbohydrates and lipids is that the carbohydrates are immediate energy sources in living organisms while the lipids act as a long-term energy resource and tend to be utilized at a slower rate. Carbohydrates and lipids are important nutrients in living organisms.

Explanation:

4 0
2 years ago
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