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kkurt [141]
3 years ago
9

Mutations in the genetic code can occur when _____.

Biology
2 answers:
oksano4ka [1.4K]3 years ago
7 0
D) the cell divides in to daughter cells. Mutations occur either when they multiply or when they are interrupted by something....Hope it helps ;) 
kkurt [141]3 years ago
6 0

Answer:

The correct answer is option the cell divides in to daughter cells.

Explanation:

The mutation is the alteration or change in the sequence nitrogenous bases of DNA.

Mutation in DNA generally occurs by base substitution, insertion or deletion of nucleotide base pairs during the process of DNA replication, which takes place during S-phase of cell division.

Mutations in DNA are corrected by DNA proofreading mechanisms of enzyme DNA polymerase.

Thus, the cell divides into daughter cells is the correct answer.

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Coach Taylor is trying to explain the negative side effects smoking has to athletic performance. Which of these options include
Darina [25.2K]

Smoking have life-threatening effects on a smoker's lungs. A smoker is at a high risk of lung cancer and chronic obstructive pulmonary disease. In order for a coach to explain the destructive effects of smoking on the performance of the athletes, it is best to show a diagram of the flow of the oxygen-rich blood in a non-smoker's body and then the flow of blood with less-oxygen in smoker's body. This will show the difference between the two situations clearly, and show how the airway resistance effects the performance of a person.

Hence, the answer is 'option C - Diagram the flow of oxygen-rich blood in non-smoker's body and the, diagram of flow of blood with less oxygen in smoker's body'.

7 0
2 years ago
Read 2 more answers
Someone please calculate the ratio of offspring please help pleaseeeeeeeeeeeeeeee
Over [174]

Answer:

2. 1 Pink : 1 white

3. 1 Red : 1 Pink

4. 1 Red : 2 Pink : 1 White

Explanation:

This question involves a single gene coding for flower colour in snapdragon plants. The alleles of the gene exhibits incomplete dominance i.e. the red allele (R) ia not completely dominant over the white allele (W), hence an intermediate pink phenotype (RW) is formed. Based on this, a red snapdragon will have genotype, CRCR while a white one will have genotype, CWCW. The intermediate pink phenotype will have a genotype, CRCW.

The image attached to this question shows four crosses between different traits.

In the second cross between a pink (CRCW) and white offspring (CWCW), 2pink and 2white offsprings will be possibly produced in the ratio 1:1.

In the third cross between a red (CRCR) and pink (CRCW) snapdragon, 2 red and 2 Pink offsprings will possibly be produced in a ratio 1:1.

In the fourth cross between a pink (CRCW) and pink (CRCW) snapdragon, red, pink and white offsprings will be produced in the ratio 1:2:1.

See attached image for the complete punnet square. Note that, there was a mistake in the Genotype of the last cross i.e. pink has genotype CRCW not CWCW.

5 0
3 years ago
Glucagon is secreted from ________ cells of the pancreas and stimulates ________.
Pepsi [2]

Answer: D) alpha: catabolism

Explanation:

Glycogen is the storage form of carbohydrates in animals. The major sites of storage are liver and muscle.

Glucagon is a polypeptide hormone, it is secreted by the alpha cells of the pancreas. Low blood glucose causes glucagon secretion. When blood glucose level falls, liver glycogen is broken and help to maintain blood glucose level.

Glucagon stimulates the enzyme glycogen phospholylase which breaks down glycogen into glucose units.

5 0
3 years ago
The galápagos finch species are an excellent example of.
Olegator [25]

Answer:

Adaptations and selective breeding, if that is a choice for you.

Explanation:

3 0
2 years ago
Briefly describe the chicken experiment. Why is it relevant?
vesna_86 [32]
<span>The chicken experiment serves to explain how behavioral conditioning may be applied to any species. By identifying an appropriate reward for the subject in question, that subject may be taught any physically possible random behavior. Then, if witnessed, the behavior is able to be learned and mimicked by other members of the same or even different species.</span>
7 0
3 years ago
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