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Scorpion4ik [409]
3 years ago
8

In the illustration below, label X is pointing to the A. antigens B. antibodies C. antigen-binding sites D. interferons In the i

llustration below, label X is pointing to the
Biology
1 answer:
12345 [234]3 years ago
6 0

Answer:

The correct option is C: antigen-binding sites

Explanation:

The antibody is shaped much like the letter Y in the English alphabet. It has two antigen binding sites that are identical in nature. The specificity of these sites is determined by the amino acid sequence that makes it up. Antibodies are complementary to these antigen binding sites, and the antibodies have an incredible ability to recognize a great variety of antigens.

Hope that answers the question, have a great day!

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Which word describes the water stored below Earth’s surface?
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Answer:

Ground water

Explanation:

We gave it a simple name, its just water in the ground.

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3 years ago
g Deficiencies in glucose 6‑phosphate dehydrogenase frequently present as anemia. Glucose 6‑phosphate dehydrogenase catalyzes in
DerKrebs [107]

Answer:

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Explanation:

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3 years ago
Which is required for both anaerobic respiration and aerobic respiration?
professor190 [17]

Answer:

Which is required for both anaerobic respiration and aerobic respiration?

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5 0
3 years ago
Read 2 more answers
The first sphincter encountered in the alimentary canal is the: The first sphincter encountered in the alimentary canal is the:
Arte-miy333 [17]

Answer:

The correct answer is: upper esophageal sphincter.

Explanation:

The alimentary canal is a very long tract responsible for the digestion of the food. It is composed of several organs with many different and important functions. The alimentary canal also has a few sphincters, which are muscular valves that open and close when needed for the food to pass or be retained.

The first sphincter is the upper esophageal sphincter. One particularity of this sphincter is that is one of the few sphincters in the body that opens and closes under our conscious control, which happens when we decide to swallow our food.

From the first to the last, the order of the sphincters in the gastrointestinal tract is: upper esophageal sphincter, lower esophageal sphincter or gastroesophageal sphincter, pyloric sphincter, ileocecal sphincter, and anus.

4 0
3 years ago
A widow's peak is a V-shaped area of the hairline in the center of the forehead. The allele for having a widow's peak is dominan
kotykmax [81]
It depends on whether or not the parents are heterozygous for the trait. if they both are, then the child will have a 75% chance of having a widows peak. 
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