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AlexFokin [52]
3 years ago
6

Maximum oxygen uptake, or V02max, is the point at which the rate of oxygen consumption reaches a platesu despite an increased wo

rkload. Consider the scenarios below, then click and drag each label into the appropriate category based on whether it increases Vo2max, decreases VOzmax, or neither
Lactic acid accumulaton Being male Being sedentary Training for a marathon
Centrai fatigue Being temale Gernting older weight raining
Results Iin Higher VO,max Results in Lower V02max Neither
Biology
1 answer:
Anuta_ua [19.1K]3 years ago
8 0

Answer:

A. Results in higher vo2 max.

1. training for the marathon

2. weight training.

B. Results in lower vo2 max

1. lactic acid accumulation.

2.  getting older

3. sedentary lifestyle

4. being female.

C. Neither.

1. being male

2. central fatigue

Explanation:

VO2 max is the measurement of the maximum oxygen consumption during continuously increasing exercise. Higher VO2 means the body is consuming a higher level of oxygen and delivering to muscles without muscle loss on this basis we can sort the following scenarios

A. Results in higher vo2 max.

1. training for the marathon  (more oxygen consumption)

2. weight training.  (more oxygen consumption)

B. Results in lower vo2 max

1. lactic acid accumulation.  

2.  getting older  (less oxygen consumption and less oxygen delivery to muscles)

3. sedentary lifestyle  (less oxygen consumption and less oxygen delivery to muscles)

4. being female.

C. Neither.

1. being male

2. central fatigue

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Answer:

Option B, No

Explanation:

Complete question is as follows -

You have spent time working with a population of beetles. Sexually mature males range in size from 2-6 cm in length. You realize that the females only mate with males that measure less than 3 cm long. If you measured allele frequencies at a single gene (locus) that contributes to overall length, would you expect this population to be in H-W equilibrium from one generation to the next?

Select one:

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Solution -

No, because Hardy Weinberg’s equilibrium theory is not applicable in practical scenario as it assumes that H-W equilibrium persists from one generation to the other only when these is no disturbing factor . These disturbing factors include – natural selection, non-random mating, genetic drift, gene flow and mutations. Since this theory works only in an idealized state where no such disturbances occur, it is very difficult to say that the beetle population can remain in H-W equilibrium. Also the females in the beetle population are selecting the males for mating thereby exhibiting sexual selection. Hence, H-W equilibrium will not be applicable.

Hence, option B

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3 years ago
Cells in a cat's pancreas produce insulin, but the cells in its heart do not. Which statement best explains this?
Genrish500 [490]

Answer:

The correct answer is: A. The genes for insulin production are not activated in heart cells.

Explanation:

<u>DNA </u><u>is present in practically every cell in an organism</u>, but not every cell performs the same tasks as the rest. This happens because genes in the DNA   <u>code for different types of proteins</u>, from enzymes to transporters, that impact greatly on the <u>function</u> of a cell; and these genes can be activated or inactivated which will directly correlate to the type of cell and the function that it has.

<u>If the cells in the pancreas can produce insulin but the cells in the heart can't it's because the cells in the heart have the genes for insulin production inactivated</u>.

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Answer:

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Explanation:

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