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nekit [7.7K]
3 years ago
5

Which immune response develops memory

Biology
1 answer:
egoroff_w [7]3 years ago
6 0

Answer:

B and T cells

Explanation:

During an immune response, B and T cells create memory cells. These are clones of the specific B and T cells that remain in the body, holding information about each threat the body has been exposed to! This gives our immune system memory.

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Describe how each of Newton’s laws may be observable during a car trip.
lyudmila [28]
1st law—> a rider in the car may shift forward in his seat because of the rider's inertia if the car stops suddenly
2nd law—> the force exerted by the engine can be found if you know the car's mass and acceleration
3rd law—> the car applies a force to the ground and the ground exerts an equal but opposite force on the car
5 0
3 years ago
Which of the following statements best describes interphase?
Zina [86]

Answer:

The correct answer is - option B. Interphase is made up of the G1, S, and G2 phase and is the portion of the cell cycle where cellular contents are duplicated.

Explanation:

Interphase is the phase in the cell cycle in which the cell prepares to go under cell division by growing in size, replicating, or duplicate the cellular contents like DNA or genetic material and prepare for mitosis. Interphase includes the substages G1, S, and G2 phases.

It is known as the longest stage of the cell cycle as it includes four substages that takes time due to growing the cell, double the content and make the cell ready to go under division.

4 0
3 years ago
Plz due in like 10 minutes
d1i1m1o1n [39]
What is the question?
5 0
3 years ago
Read 2 more answers
How many marine iguanas are left
MaRussiya [10]
212 marine iguans are left
8 0
4 years ago
Investigate four substances containing nitrogen or phosphorous that are related to biological processes, and explain their respe
OleMash [197]

Answer:

Well, you already have the answer, but I can try to elaborate XD

So, DNA: contains genetic information that is necessary for biological functioning and reproduction.

More specifically, it contains the genetic instructions through gene encoding that instructs the cell what to do. A specialized complex ribosome interacts with the DNA molecules and "reads" it, changing the genes from the DNA into proteins that the cell as a whole can function upon. It is also crucial to forming a whole cell in offspring, since only the genes from the two parents combined (in humans at least) can produce an offspring with all genes intact. Those who do not have genetic disorders, a famous one being Down Syndrome.

Next, RNA: a molecule necessary for expressing genes and making proteins.

Connecting to the paragraph above for DNA, RNA also assists in the process by reading the ribosome that reads the DNA itself. Complicated, I know. All you have to know, however, is that the RNA, in this case called mRNA since it serves as a messenger, hence, the "m", reads the codons produced by the ribosome when it reads the DNA, and makes proteins according to those codons, and those proteins then scatter all across the cell to execute instructions.

Now, we move onto nitrogen and phosphorous: both are found in amino acids, the building blocks of proteins.

That is actually partially wrong. Amino acids do not contain phosphorous, but do contain nitrogen. Not exactly sure what went wrong on your end there, but nitrogen is a basic building block for amino acids, which are basic building blocks themselves for proteins. To be more clear, amino acids are made of carbon, hydrogen, oxygen and nitrogen atoms. No phosphorus there!

Finally, enzymes: special proteins that accelerate chemical reactions in cells.

This is correct. Enzymes typically lower the activation energy required for reactions to happen. More specifically, enzymes make the reaction molecules more active, hence, lowering the threshold for the amount of energy you have to put in before the molecules start crashing into each other hard enough to have a chemical reaction. Of course, enzymes do not participate in the reaction itself, which makes them incredibly useful for spurring on chemical reactions since they can be used multiple times.

Explanation:

Hope this helped!

3 0
3 years ago
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