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makkiz [27]
3 years ago
9

Would you expect the resting heart rate of an athlete to be higher or lower than someone who doesn't work out?​

Biology
2 answers:
kirza4 [7]3 years ago
7 0

Answer:

Lower

Explanation:

Why it would be lower is because working out strengthens the heart muscle making it stronger also allowing it to pump a greater amount of blood with each heartbeat than a average person that doesn't work out.

Lina20 [59]3 years ago
4 0

Answer:

Lower

Explanation:

they have experience in there breath rate they've probably been doing it for a minute. while on the other hand someone who is not used to working out has a hard time getting there breath back and are breathing heavily

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Answer:

The animal cell will shrink due to loss of water to the external solution

Explanation:

An isotonic solution is that solution which has equal concentration with its external environment. Hence, no net movement of water occurs in an isotonic solution since there is no concentration gradient. Therefore, if an animal cell is placed in an isotonic solution at first, no net movement of water occurs because the intracellular and extracellular concentrations are at equilibrium.

However, if more solutes are added to the solution, it makes the solution HYPERTONIC to the cell i.e greater in concentration. This creates an osmotic gradient and causes water to move out of the animal cell into the solution in accordance to osmotic principles (movement of water from a low concentration of solute to high concentration of solute). This causes the animal cell to likely SHRINK.

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2 years ago
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guapka [62]

Answer:

ATP is commonly referred to as the "energy currency" of the cell, as it provides readily releasable energy in the bond between the second and third phosphate groups. ... As a result, cells within the human body depend upon the hydrolysis of 100 to 150 moles of ATP per day to ensure proper functioning.In addition to providing energy, the breakdown of ATP through hydrolysis serves a broad range of cell functions, including signaling and DNA/RNA synthesis. ATP synthesis utilizes energy obtained from multiple catabolic mechanisms, including cellular respiration, beta-oxidation, and ketosis.                

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2 years ago
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Vsevolod [243]

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4 0
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Answer:

It is true to say that by using cuttings, exact genetic characteristics can be maintained, because the cuttings retain the same genetic information about the plant from which they were extracted.​

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Cuttings are buds or branches extracted from a plant to obtain a plant of the same species, through a type of asexual reproduction.

Once separated from the "progenitor" plant, the cutting is provided with a suitable medium for growth, and will have the possibility of growing roots, developing and growing as an independent plant, with the same genetic characteristics of the original plant, as if it were a clone.

In this reproductive process, man intervenes.

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eimsori [14]

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