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Misha Larkins [42]
3 years ago
10

"what are three examples of signals that cells may receive?"

Biology
1 answer:
blsea [12.9K]3 years ago
8 0
Hurt, bad for , sickness or in trouble
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This is the world’s coldest biome. It receives only 6-10 inches of precipitation per year and has a permanently frozen layer of
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Option B; Tundra. <span>Hope that helps.</span>
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Bruce has a genetic disorder. bruce and his wife, kim, have three children, one of which has the genetic disorder. how is this d
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This would be a recessive disease.

Father is dd
Mother is Dd (has to be because one child has the disease)

Parents cross is dd x Dd which gives rise to Dd (0.5) and dd (0.5). Each time they have a child they have a 50% chance of the child having the disease. In their case, only one of their 3 children is dd. The others though are carriers!
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Why are enzymes necessary?
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To act as a catalyst in chemical reactions
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Which of the following are matched correctly?
kogti [31]

Answer:

<u>1. type IV hypersensitivity: delayed-type hypersensitivity.  </u>

<u>2. type I hypersensitivity: IgE  </u>

<u>3. type II hypersensitivity: IgG  </u>

<u>4. type III hypersensitivity: immune complexes </u>

Explanation:

Type IV hypersensitivity is cell mediated hypersensitivity rather than antibodies as in all other types of hypersensitivities. It is also known as delayed type hypersensitivity because it usually respond in 2-3 days via T-Lymphocytes rather than antibodies like IgE or IgG. So we can say that in option 5 is mismatched as it relates type IV to IgG antibodies.

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All of the following factors can cause famines except
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C: new, higher-yield crops

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All of the other answers are problems while C is a positive scenario.

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