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Nana76 [90]
3 years ago
8

After exercising, Theo is aware that anaerobic respiration occurred in his body because his muscles ache. Which substance caused

his muscles to feel sore?
lactic acid
glucose
carbon dioxide
glycogen

Biology
2 answers:
AURORKA [14]3 years ago
7 0
The answer is lactic acid.
Vikki [24]3 years ago
6 0

Answer:

The correct answer is lactic acid.

During vigorous exercise such as weight lifting, swimming etc the level of oxygen decreases in the muscle cells due to which complete oxidation of glucose could not take place.

Instead, the pyruvate is converted into lactate in presence of lactate dehydrogenase. It produces NAD⁺ being lost during the process of glycolysis.

Lactic acid can cause muscle discomfort and muscle soreness. However, it is not the only culprit responsible for delayed onset muscle soreness (DOMS).

Other factors may include swelling which is caused by the influx of prostaglandins, WBCs, and nutrients in muscle cells in order to repair the damage caused by exercise.

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5. What is harmful at ground level but absorbs ultraviolet radiation from the sun in its natural
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<u><em>Ozone.</em></u>

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6 0
3 years ago
ASAP PLS
mars1129 [50]

Whales have pelvic (hip) bones, which are evolutionary remains from when their forefathers walked on land about 40 million years ago. Common belief has long assumed that such bones are merely vestigial, slowly withering away like human tailbones. Thus option C is correct.

<h3>What is the new research from USC and the Natural History Museum of Los Angeles County (NHM) has to say ?</h3>

New research from USC and the Natural History Museum of Los Angeles County (NHM) contradicts this belief, discovering that not only do those pelvic bones have a role, but their size and perhaps shape are impacted by sexual selection processes.

Therefore, small, shrunken hip bones of whale are no longer beneficial for survival and are considered vestigial. So, the best option is C among the other options available. Thus option C is correct.

Learn more about this here:

brainly.com/question/21492781

#SPJ5

5 0
2 years ago
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PLZ HELP ASAP WILL GIVE BRAINLIST!
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Answer:

Prokaryotes are organisms that consist of a single prokaryotic cell. Eukaryotic cells are found in plants, animals, fungi, and protists. They range from 10–100 μm in diameter, and their DNA is contained within a membrane-bound nucleus. Eukaryotes are organisms containing eukaryotic cells.

Explanation:

7 0
3 years ago
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