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yarga [219]
2 years ago
6

How many molecules of NADH are formed in the citric acid cycle from one molecule of glucose?

Biology
1 answer:
Travka [436]2 years ago
3 0
D) 3 nadh molecules
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In order for high force crossbridges to form in contracting skeletal muscle, calcium must a. bind to calmodulin to phosphorylate
Maksim231197 [3]

Answer:

e. bind to troponin which moves the tropomyosin.

Explanation:

Troponin (Tn) is a protein complex composed of three different proteins: troponin C (TnC), troponin I (TnI), and troponin T (TnT). This complex is found both in skeletal muscles and cardiac muscles, where TnC attaches calcium ions through four and three calcium ion-binding sites, respectively. When a muscle is relaxed, Tn attaches to tropomyosin to prevent muscle contraction. During muscle contraction, calcium channels open and cytosolic calcium ions bind to TnC, thereby Tn changes its conformation and moves the tropomyosin. This process relieves the inhibition of the interaction between actin and myosin filaments, which makes muscle contraction possible.

6 0
3 years ago
Investigator A has biological specimens that are coded and linked to identifiers of the source individuals. Investigator A provi
ladessa [460]

Answer:

The correct answer is option C.

Explanation:

Human subject research is an investigation or research that include human as the subject. In other words, An Investigator conducts clinical research on humans getting data through interaction and intervention of individuals.

investigator A has investigated biological specimens. These specimens are coded and linked to the identifiers. Investigator B's research using biospecimens human subject is not according to the human subject research in the federal regulations as investigator B did not get the individual identifiers.

Thus, the correct answer is option C.

7 0
3 years ago
HELP ! NOW PLEASE AND THANK YOU
e-lub [12.9K]

Answer:

All of the Above

Explanation:

You can see the craters and mountain ranges from here, and flat lava flows used to be there.

7 0
3 years ago
In the predation the animal that is hunted and eaten the most is the ...
densk [106]

Answer:

It's prey

Explanation:

The animal that is hunting is the predator and its prey is the animal that was hunted.

8 0
3 years ago
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(OU.03]Which of these properties of a star best determines its life cycle?
Leona [35]

Answer:

The initial mass of a star determines its evolution.

Explanation:

Smaller stars on the main sequence will swell to become giants. Larger stars on the main sequence will swell to become supergiants.

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2 years ago
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