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Scorpion4ik [409]
3 years ago
11

What leads to long-term immunity in mammals? . . A. Exposure to an antigen . B. Action of an antibody . C. Barriers

Biology
2 answers:
Alborosie3 years ago
7 0
A. <span>Exposure to an antigen

Exposure to viruses and antigens led to the foundation of modern vaccination. Vaccination introduces an antigenic material that helps the ability of the immune system to adapt a specific pathogen, therefore leading to a long-term immunity.</span>
amm18123 years ago
3 0
Letter A. Exposure to an antigen leads to long-term immunity in mammals.
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Answer:

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3 years ago
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3. Which of the statements is CORRECT? A Insecticides are safe to use.
Brums [2.3K]

Answer:

A

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insecticides are safe to use

4 0
3 years ago
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What is the term for the phenomenon that occurs when two hormones present together produce effects that are weaker than the effe
sp2606 [1]

Antagonistic is the term for the phenomenon that occurs when two hormones present together to produce effects that are weaker than the effects of either one acting alone.

An antagonism, in ecology is an association between the organisms in which one benefits at the expense of the other. In Biology, it can be defined as A biological response to the exposure to multiple substances which is very less than would be predicted if the known effects of the individual substances were added together. For example, Your little sister or brother benefiting by disturbing you while you study.

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6 0
1 year ago
Name two basic mold types that distinguish casting processes.
xeze [42]

<span>The two basic molds are: Expendable mold and permanent mold. </span>

Molding is a process where a rigid frame (mold) is being used to manufacture by shaping liquid or pliable raw materials. However, molding is synonymous to casting; casting is a process where a liquid metal is delivered into a mold which contains a hollow cavity of the intended shape. 

Expendable mold casting can be classify as sand, plastics, plaster which make use of non-reusable or temporary molds  while Permanent mold casting is a metal casting process that use reusable molds.

7 0
3 years ago
The chemical process by which your body breaks down food to release energy is called?
podryga [215]
The process is called digestion

7 0
3 years ago
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