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uranmaximum [27]
3 years ago
12

A large natural population of sea stars have lived near shore and relatively unchanged for many

Biology
2 answers:
tensa zangetsu [6.8K]3 years ago
6 0

Answer:

yes

Explanation:

Svetlanka [38]3 years ago
4 0
The answer is yes !!!!!!!!!!!!!!!!!
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The responses observed in type IV hypersensitivities result from the action of IgG and complement. autoantibodies. IgE antibodie
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The responses observed in type IV hypersensitivities result from the action of T cells and phagocytes.

Hypersensitivity IV type, also called delayed-type hypersensitivity (DTH), involves T cell-antigen interactions that cause activation and secretion of cytokines. This type of hypersensitivity requires sensitized lymphocytes that respond 24–48 hours after exposure to soluble antigens. A type IV hypersensitivity reaction is a cell-mediated reaction that can occur in response to contact with certain allergens, resulting in what is called contact dermatitis, or in response to certain diagnostic procedures such as the tuberculin skin test. Certain allergens need to be avoided to treat this condition. Type IV hypersensitivity response is observed results from the action of T cells and macrophages while other types are mediated by antibodies. This reaction  occurs at least 1–3 days after the initial exposure. Type IV hypersensitivity is the mechanism of many autoimmune disorders.

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2 years ago
How many kilocalories are in 21 grams of fat
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<span>9 kilocal per gram of fat 21 grams of fat*9 kilocal per gram of fat = 189</span>
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3 years ago
Describe 2 homologies (structures that were shared from a common ancestor) between the Zeuglodon and the Orca.
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Answer:

Homologous structures can be described structures which originate in different organisms from a common ancestor and may or may not have the same functions.

Zeuglodons can be described as ancient whales and Orca is a common whale today known as the killer whale.

<u><em>Scientific studies show that Zeuglodans and Orca have many structures in common such as:</em></u>

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3 years ago
In response to a body temperature above the set point, two effector responses in mammals could be _______ and _______.
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<span>In response to a body temperature above the set point, two effector responses in mammals could be sweating and panting. 

</span><span>Negative feedback stimulate activities of effectors (including sweat glands) that lower the temperature.</span>
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Pure water has a pH of_ <br>a. 6 <br>b. 7 <br>c. 8 <br>d. 9​
marshall27 [118]

Answer:

It has a pH of 7, so your answer is therefore B.) 7.

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