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Nataly [62]
3 years ago
11

What muscle contracts and relaxes when you inhale and exhale?

Biology
1 answer:
Nadusha1986 [10]3 years ago
4 0

Answer:

c.

Explanation:

diaphragm contracts and relaxes. you may try it now at the very moment lol

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The diamond-shaped region between the lower appendages is called the
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<span>The correct answer is "the perineum" This is the correct answer because it boarders the pubic symphysis anteriorly, the coccyx posteriorly, and both ischial tuberosities laterally.</span>
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3 years ago
Without undergoing any changes itself, the _____ makes changes to the ______.
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Without undergoing any changes itself, the enzyme makes changes to the substrate.

<h3>What is an enzyme?</h3>

An enzyme is a biological catalyst that acts by lowering the activation energy in a chemical reaction.

In a chemical reaction, an enzyme binds to a substrate to convert it to one or more products.

In conclusion, without undergoing any changes itself, the enzyme makes changes to the substrate.

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2 years ago
Scientists can use mutants to study metabolic pathways. These organisms have a mutation in a gene encoding a metabolic pathway e
lisabon 2012 [21]

Answer:

Pyruvate kinase

Explanation:

Yeasts convert glycerol and sugars into glyceraldehyde 3-phosphate (G3P) through independent pathways. Then, G3P forms pyruvate and, in some circumstances, pyruvate is converted in ethanol, which can be used as energy sources. If the mutation affects any reaction before G3P formation, it will only affect yeast growing either on sugar or pyruvate but not both.

Pyruvate kinase is the only enzyme on the list acting after G3P is formed and before pyruvate is formed. All other options are enzymes acting only in the formation of G3P from sugars. Meaning that only pyruvate kinase mutants will lack the ability to grow on both sugars and glycerol.

6 0
3 years ago
At a crime scene, investigators found finger impressions on a newly painted wall. Which type of fingerprint is this?
abruzzese [7]

Answer:

Patent fingerprints can be made by blood, grease, ink, or dirt. This type of fingerprint is easily visible to the human eye. Plastic fingerprints are three-dimensional impressions and can be made by pressing your fingers in fresh paint, wax, soap, or tar.

hope it helps

Explanation:

4 0
4 years ago
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<em>it would be b and c</em>

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<em>it's the whole ''ecosystem''</em>

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8 0
3 years ago
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