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daser333 [38]
3 years ago
11

What happens when the supply of energy-rich molecules in a muscle is used up?

Biology
2 answers:
Rufina [12.5K]3 years ago
7 0
If there is no energy left for the muscle, then the muscle is tired and needs to rest. This is because there will be no more energy (in the form of ATP) to supply the excitation-contraction coupling mechanism (the mechanism for muscle contraction, which needs energy).

<em>In the event of this situation, the person will not be able to move the muscle with depleted energy source at all.</em>
mr Goodwill [35]3 years ago
4 0
<span>The supply of energy-rich molecules in muscles are used up, then the muscles become tired, and they need to rest.

 Lactic acid is being produced from anaerobic respiration. If compared to cellular respiration, fermentation does not produce much energy.</span>
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How are the 3 stages of cell division similar to how new animals are created?
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Answer:

Cell divison is defined as the process in which a parent cell split into two or more daughter cells. There are three stages of cell division that includes interphase, mitosis/meiosis and cytokinesis.

In the interphase the proteins, enzymes and cell organelles are formed and at the end of this phase single strand chromosome becomes a double strand carrying genes.

In the meiosis (in sexual reproduction) or mitosis (asexual reproduction) phase, divison of nucleus takes place. Meiosis gives rise to geneticaly different cells due to crossing over while mitosis leads to  identical cells .

Cytokinesis occurs cocurrently after meiosis or mitosis in which cytoplasm of a parental cell divides into two daughter cells each with identical chromatin.

Creation of new animals are also undergo these 3 stages of cell division that is interphase, meiosis (eukaryotes)/mitosis (prokaryotes) and cytokinesis. Majority of animals (eukaryotes) undergo meiosis phase because their mode of reproduction sexual and have genetic variation due to crossing over of chromosomes and produces 4 daughter cells at the end cell division.

Hence, the 3 stages of cell division is similar to craetion of new animals.

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3 years ago
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The answer is "B"

Explanation:

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Complete the chart please
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Mitosis - Asexual, diploid, 1, 2, during the synthesis phase.

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