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devlian [24]
3 years ago
10

A 33-year-old female long-distance runner typically finishes marathons in less than 3:15. She has recently moved from Nebraska (

altitude less than 1,640 feet or 500 m) to Colorado (altitude above 9,843 feet or 3,000 m). What changes are likely to occur within the first three months of her move with regard to aerobic performance
Biology
1 answer:
givi [52]3 years ago
7 0

Answer:

There is no short answer.

Explanation:

Athletes such as runners may prefer to train at higher altitudes than the altitude they perform at. This is because the higher altitude increases the number of red blood cells in the athletes body thus providing the muscles with more oxygen which increases performance.

If the runner moves from Nebraska to Colorado which is at a higher altitude, she will see an increase to her aerobic performance in the first three months.

I hope this answer helps.

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A solution that has the same number of molecules as the cell is a ___ solution
kvv77 [185]

Answer:

Isotonic

Explanation:

A solution is isotonic to a cell if it has the same Concentration of dissolved particles as the cell. Water molecules move in and out of the cell at equal rate, so the cell size remains the same.

4 0
3 years ago
Species A has a diploid number of 42 chromosomes, while species B has a diploid number of 48 chromosomes. Give the chromosome nu
Arada [10]

Answer:

a. autotriploid of species A: 63 chromosomes

b. autotetraploid of species B: 96 chromosomes

c. allotriploid from species A and B: 1) 66 chromosomes and 2) 69 chromosomes

Explanation:

<u>For a.</u>

this species will have 3 haploid sets of chromosomes ('tri' means 3)

one haploid set = 21

21 × 3 = 63 chromosomes

<u>For b.</u>

this species will have 4 haploid sets of chromosomes ('tetra' means 4)

one haploid set = 24

24 × 4 = 96 chromosomes

<u>For c.</u>

there are two ways to do this:

1) two sets of chromosomes from species A and one from species B

42 + 24 = 66 chromosomes

2) one set of chromosomes from species A and two from species B

21 + 48 = 69 chromosomes

Hope that answers the question, have a great day!

5 0
3 years ago
Imagine that Earth begins to rotate more slowly. How would this affect a solar day? A sidereal day?
Natalka [10]

Answer:

days would be longer

Explanation:

3 0
3 years ago
Read 2 more answers
Density-dependent inhibition is a phenomenon in which crowded cells stop dividing at some optimal density and location. This phe
Brilliant_brown [7]

Answer:

This statement is true

Explanation:

Different substances such as growth factors and nutrients affect the mechanism of density-dependent inhibition of growth as cells become more and more numerous

8 0
3 years ago
Which organic molecule would a long-distance runner most likely choose to eat before a race?
Over [174]
Biomolecules are organic compounds that are present as essential components of living things. There are four major biomolecules namely lipids, proteins, carbohydrates and nucleic acids. Proteins, lipids and glucose are usually used by organisms as energy sources as well as structural components among other functions in living organisms. Nucleic acids are important components that bring about heredity. In this case the appropriate molecule to be chosen by the long distance learner would be carbohydrate because it stores and may be used as a source of energy.
7 0
3 years ago
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