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omeli [17]
3 years ago
15

What is the name of the unique area (specific region) that a lymphocyte recognizes and binds to?

Biology
1 answer:
AlladinOne [14]3 years ago
6 0

Answer:

a. antigen

Explanation:

The Immune system is composed of immune cells  that  defend the body against foreign substances such as bacteria or virus. Lymphocytes (B and T cells) are one of the main immune cells

Lymphocytes have the ability to recognize and bind to antigens, wich are substances foreign to the body ( i.e bacterial or virus elements) that evokes an immune response.

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Which action would most likely increase the greenhouse effect?
natta225 [31]

Answer:

D. Burn more oil for heating homes

Explanation:

Encouraging people to conserve power would help weaken the greenhouse effect, not increase it. Stopping cutting down the trees in the Amazon forest would also heavily help weaken the greenhouse and not increase it. And unlike the others, using more nuclear power plants wont affect the greenhouse atfect but instead affect our air quality. Our problem is that burning coal, oil, and gas produces carbon dioxide, which adds to the supply already in the atmosphere, increasing the greenhouse effect and thereby increasing the temperature of the Earth so therefore its D.

6 0
3 years ago
Read 2 more answers
Which of these is an example of parasitism?
mrs_skeptik [129]
A squirrel stores food in a tree hole.
3 0
3 years ago
लेख्नुहोस् ।
dmitriy555 [2]

Explanation:

seeds are the prime stage of a plant to it's development journey .

It's main function is the development and nourishment of embryo.

there is food already received in seed.

in the stage of development it provides with amount of water and help in development...

saasahhha xa hajur lai yo answer kam lagne xa❤️

7 0
3 years ago
Choose the answer that best completes the sentence. ______ zebra mussels can live six or seven years, now it seemed that most we
stiks02 [169]

Answer:

C

Explanation:

A. Since

B. Because

C. Although

D. For example

<em>Zebra mussels have been known to have a lifespan of six or seven years in the past but recent discoveries have shown that their average lifespan now ranges between one to two years. Hence, the correct word to fill in the gap would be 'Although'. </em>

<em>The correct option is C</em>

5 0
2 years ago
If an object is having a constant positive acceleration, what can we assume about the forces on it?
tensa zangetsu [6.8K]

Answer:

If an object has a net force acting on it, it will accelerate. The object will speed up, slow down or change direction. ... If however, the forces are balanced (in equilibrium) and there is no net force, the object will not accelerate and the velocity will remain constant.

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