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balu736 [363]
3 years ago
5

Pellagra is caused by a deficiency of _____.

Biology
1 answer:
likoan [24]3 years ago
5 0
Vitamin niacin ( vitamin B3)
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A molecule that blocks the activity of carbonic anhydrase would immediately. . .
harina [27]

Answer:

b. cause an increase in blood pH.

Explanation:

Carbonic anhydrases are zinc-containing enzymes that catalyze the reversible reaction of conversion between CO2 and bicarbonates (carbon dioxide hydration and bicarbonate dehydration). The conversion of bicarbonate to CO2 facilitates its entry into the cell. On the other hand, the conversion of CO2 to bicarbonate helps keep the CO2 inside the cell.

This enzyme is important in all living organisms for maintenance of acid-base balance (regulates pH ). For example, carbonic anhydrases lowers pH in the stomach by producing an acid.

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3 years ago
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A nucleotide consists of?
Setler79 [48]
A nucleotide consists of three things: A nitrogenous base, which can be either adenine, guanine, cytosine, or thymine (in the case of RNA, thymine is replaced by uracil). A five-carbon sugar, called deoxyribose because it is lacking an oxygen group on one of its carbons. One or more phosphate groups.
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3 years ago
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Which organ is matched incorrectly with either its sympathetic or parasympathetic ganglion? eye - ciliary ganglion urinary bladd
omeli [17]

Answer:

Urinary bladder - superior mesenteric ganglion

Explanation:

The inferior mesenteric ganglion is located in the center of the abdomen where the inferior mesenteric artery begins. The axons of postganglionic neurons extend through the hypogastric plexus. These neurons then innervate the blood vessels of several organs like the rectum, urinary bladder, and distal colon, etc.

The postganglionic neurons from superior mesenteric ganglion innervate the blood vessels of the small intestine and proximal colon.

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Function of mitochondria???​
Karo-lina-s [1.5K]

Answer:

Powerhouse of the cell, creates ATP (energy for the cell).

Explanation:

5 0
2 years ago
The evolution of eukaryotic cells most likely involved _____.
Sergeeva-Olga [200]
Absorbing prokaryotic cells. This theory is called the endosymbiotic theory.
The early prokaryotic cells that were absorbed likely evolved into mitochondria and chloroplasts, membrane-bound organelles with their own DNA in single chromosomes and their own ribosomes.
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3 years ago
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