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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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The pop-up question at the end of this level asks whether an animal or a plant is more closely related to a fungus.
luda_lava [24]

Answer:

Although apparently it may look that fungi are more related to plants than the animals but the fact is quite opposite.

Explanation:

The molecular phylogenetic analysis is an excellent tool to find out the correct ancestor and evolutionary history of organisms. The molecular phylogenetic studies have depicted that fungi are more related to animals than to the plants. Please see attached figure.

Here are some of the many similarities between animals and fungi:

  • Both are eukaryotes that means they have proper organelles bonded by proper membranes.
  • Both need energy from the sun for their survival but are unable to use that sunlight for the production of food (heterotrophs).
  • Both do not contain photosynthetic pigments called chlorophylls in their cells.

Hope it help!

8 0
2 years ago
Which scientist is known for posing the idea of continental drift? Charles Darwin Isaac Newton Albert Einstein Alfred Wegener
Aneli [31]

Answer:

Wegener

Explanation:

Wegener, who was born on November 1, 1880, became well-known around the world owing to his theory that the continents and oceans developed due to continental drift. While his theory is fundamental to today's understanding of plate tectonics it was largely rejected by other scientists during his lifetime.

7 0
2 years ago
Read 2 more answers
Fluid replacements are usually provided for heavily perspiring athletes after endurance events.
maks197457 [2]

Answer;

-Hypotonic

Explanation;

A hypotonic solution is any solution that has a lower osmotic pressure than another solution. It is a solution that has less solute and more water than another solution.

In a hypotonic solution, there is more free water outside the cell than inside the cell. As a result, water will diffuse into the cell through the process of osmosis

If an individual is sweating a lot, he/she are losing two things: water and salt . This means that their blood is losing both as well. The loss of salt is important because you need a certain salt and water concentration for proper cellular function. At the moment one sweating, with the cells losing water, they are moving towards a hypertonic phase. One would want a hypotonic solution to replace lost salts.

4 0
2 years ago
The function of tRNA is to
olasank [31]

The correct answer is a - transfer amino acids to the ribosomes.

In the nucleus, information to synthesize a particular protein is transcribed from DNA and onto messenger RNA (mRNA).

mRNA leaves the nucleus and enters the cytoplasm of the cell where it attaches to a ribosome.  tRNA then begins to read(translate) the information on the attached mRNA, and corresponding to this information, fetches amino acids from the pool of free amino acids in the cytoplasm and brings them to the ribosome where they get  linked together into a long chain or polymer, forming the primary structure of the protein.




8 0
3 years ago
Read 2 more answers
Fracking is used to extract what?
aliina [53]
The answer is b and d if it was cracking but u put fracking so yeh
8 0
2 years ago
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