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FromTheMoon [43]
3 years ago
14

Why is it is more important for DNA replication to be exact than for transcription or translation to be exact? (1 point)

Biology
1 answer:
algol [13]3 years ago
4 0

Answer:

an error in dna replication would affect many generations of cells

Explanation:

because DNA replication contains essentially all the genetic materials that will be needed in transcription and translation processes. And DNA replication is first step to ensure correct protein synthesis and others as well. But translation and transcription are both important to be exact, actually as incorrect transcription or translation could lead to useless proteins or etc.

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A young couple went to see a genetic counselor because each had a sibling affected with cystic fibrosis. (Cystic fibrosis is a r
mel-nik [20]

Answer:

a) The correct answer is 1/2 or 0.5

Cystic fibrosis is a recessive disorder and her sibling has a disease but none of the parents had it. Thus, each of the parents must be the carrier of the disease, that is, both of them must be heterzygous.

So, if we cross Cc x Cc, it results in the genotype ratio of 1 (CC) : 2 (Cc) : 1 (cc)

Thus, 2 out of 4 would be the carrier of the disease.

b) 1/16

The probability of female to the carrier is 1/2

Same is the case with male partner due to the probability that he would be the carrier is 1/2

If both are carrier then, there is only 1/4 chances that the offspring will have the disease (as per cross shown above).

Now, the probability that the offspring will have the disease = product of all the above probabilities. (The probability of occurrence of two independent events is equal to the product of their individual probabilities).

So, \frac{1}{2}x\frac{1}{2}x\frac{1}{4} = \frac{1}{16}

c) 1/8

The probability of female to be the carrier is 1/2

The probability male to be the carrier is 1/2

If both are carrier then, there is only 2/4 chances that the offspring will be the carrier of the disease (as per cross shown above).

Now, the probability that the offspring will be the carrier = product of all the above probabilities. (The probability of occurrence of two independent events is equal to the product of their individual probabilities).

\frac{1}{2}x\frac{1}{2}x\frac{2}{4} = \frac{1}{8}

3 0
3 years ago
Which is an example of a warm-blooded animal?<br> turtle<br> lizard<br> whale<br> frog
Shtirlitz [24]

Answer:

WHALE

Explanation:

4 0
3 years ago
Read 2 more answers
What is the reactant (substrate) in the reaction above? Select all that apply. H2O2 H2O O2 catalase
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Answer;

- Hydrogen peroxide

Explanation;

-Enzyme catalase is a protein enzyme present in most aerobic cells in animal tissues. Catalase is present in all body organs being especially concentrated in the liver & erythrocytes.  The brain, heart, skeletal muscle contains only low amounts.

The substrate for the enzyme catalase is hydrogen peroxide. It catalyzes the decomposition of hydrogen peroxide to water and oxygen.

2H2O2 = 2H2O + O2

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3 years ago
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How do you call a prokaryote kingdom that typically live in oxygen-deficient environments and are often adapted to harsh conditi
Svetllana [295]
The answer is archaea
6 0
3 years ago
Name the process in which a phosphate group is transfered from ATP to another molecule
Liula [17]
Substrate-Level Phosphorylation is a mode of ATP synthesis that occurs when an enzyme transfers a phosphate group from a substrate molecule to ADP.

This is from my AP Bio notes. Not 100% sure, but it does sound the closest in comparison to other processes.
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