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Kisachek [45]
3 years ago
6

How do vaccines protect the human body systems from viruses?

Biology
1 answer:
slega [8]3 years ago
8 0
The correct answer is D I believe.
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​the surgical creation of an opening between the colon and body surface is known as a/an _____.
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The right option is a.colostomy

A colostomy is a surgical procedure in which an opening is made between the colon and body surface. During colostomy, an opening is made by bringing one end of the large intestine or colon out through the abdominal wall using incision. Colostomy is performed when the large intestine is blocked or damaged and when a ruptured colon causes an abdominal infection. The procedure may be short-term or permanent.






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The cancer cells are protected from​
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Immune System

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Which of the following statements about the compound HCI is true?
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The answers is A; The physical and chemical properties of HCl are different from those of H2 and Cl2.

Explanation; 
Hydrogen chloride is a gas, which is a molecule made up of a hydrogen and a chlorine atom bonded by a single bond. 
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HELP I NIEED THE ANSWER ASAP!!!
IceJOKER [234]

Answer:

A. The prism's index of refraction for violet light is greater than 1.35.

Explanation:

6 0
3 years ago
A fruit fly of genotype B R/b r is testcrossed with b r/b r. In 84 percent of the meioses, there are no chiasmata between the li
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Answer:

4 percent (4%)

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A single crossover occurs between two (non-sister) chromatids belonging to homologous chromosomes. In this case, 16 percent of the meioses have a single crossover, thereby it will produce 8 percent of the chromosomes with the original (parental) combination in the progeny and the remaining 8 percent should be recombinants. From this result, it is reasonable to conclude that half of these recombinants should be 'Br' (and the other remaining 4 percent should be recombinants 'bR'), and therefore the answer is 4 percent (4%).

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2 years ago
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