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nignag [31]
3 years ago
10

The ability of memory lymphocytes to remember previous infections and improve immune defenses if the same microbe is encountered

in the future is known as __________.
Biology
1 answer:
marin [14]3 years ago
6 0

Answer:

Immunological memory

Explanation:

Immunological memory is a basic defense mechanism that is common in adaptive immune system, which improves on the response rate and efficiency of the immune system to subsequent attacks from antigens after an initial invasion of the body by such antigens has been neutralized or dealt with.

During the initial invasion of the body by unknown antigenes that cause infection, the immune cells known as the T and B cells work together in producing antibodies to provide a primary immune response against this threat. Some of these antibodies and memory cells remain in the body, making it possible for the immune system to recognize the specific antigenes quickly when they invade the system in subsequent attacks. The immunological memory of the immune system makes it possible for quick and fast response in eliminating such identified antigens when next they invade the body .

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<span>Pyrolobus fumarii belongs to the kingdom of archaebacteria that is a thermophile which thrives at very high temperatures as much as 113 C. </span>It was  first discovered in 1997 in a hydrothermal vent where the temperature is as high as that. It belongs to the p<span><span>hylum Crenarchaeota, c</span><span>lass Thermoprotei, </span><span>Order Desulfurococcales and </span><span>Family <span>Pyrodictiaceae. Answer is B. </span></span></span>


4 0
3 years ago
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Sarah wants to know which brand of nail polish lasts the longest without chipping.She buys 4 types of nail polish - Essie (which
son4ous [18]

Answer:

Different brands of nail polishes used by Sarah.

Explanation:

While conducting an experiment two different variables are considered namely dependant variable and independent variable. The variable which is continuously changed to see the effects is called as independent variable and the variable which is being tested is called as dependant variable.

In the given scenario, Sarah want to know best brand of nail polishes which lasts longest without chipping. Thus the different brands of nail polish used by her is considered as independent variable.

7 0
3 years ago
For an assignment, Alexis has to write a scientific question. She writes, " How much fat in food can cause brain cancer ? " How
konstantin123 [22]

Answer:

Will eating too much fat in food cause brain cancer?

Explanation:

A good scientific question is one that can have an answer and be tested. Avoid how and why questions.

3 0
3 years ago
2. Arrange these organisms into a food web:
Serjik [45]

Explanation:

A food web shows how organisms in a community prey and feed on each other (feeding relationships). It is composed of many interconnected food chains. In addition, it, therefore, shows how energy is transferred up an ecosystem from the primary producers (in this case the trees and grass) to the tertiary consumers (in this case the hawks and wolves).

Learn More:

For more on food webs check out;

brainly.com/question/12503388

brainly.com/question/11224588

#LearnWithBrainly

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Question 16:
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2 years ago
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