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const2013 [10]
4 years ago
13

Which statements describe telomeres and the actions of telomerase?

Biology
1 answer:
docker41 [41]4 years ago
8 0

Answer:

Option (d).

Explanation:

Telomere may be defined as the repetitive DNA sequence present at the ends of the chromosomes. Telomeres consists of the nucleotide sequence rich in G and consists of vertebrate sequence  AGGGTT.

The mutation in telomerase enzyme can cause the excessive replication of the telomeres. These leads to the excessive cellular proliferation and makes the cell immortal. This extensive growth of telomere is one of the maine reason of the cancer development.

Thus, the correct answer is option (d).

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If a person develops chronic lymphocytic leukemia, what leukocytes may be involved and how mature are they in the bloodstream? C
Hatshy [7]

Answer:

The correct answer is -

anemia- erythrocytes

easy bleeding- platelets

Repeated infections - leucocytes

enlarged lymph nodes- leucocytes

shortness of breath- erythrocytes

excessive bruising- Platelets

Explanation:

Cancer of the lymphocytes is chronic lymphocytic leukemia (CLL). Lymphocytes are a type of white blood cell involved in the body's immune system.

Platelets are tiny blood cell fragments that help your body form clots to stop bleeding. The platelets then rush to the site of damage and form a plug, or clot, to repair the damage.

Erythrocytes are red blood cells that travel in the blood. They carry oxygen from the lungs to the body and bring carbon dioxide back to the lungs to be expelled.

Leucocytes- White blood cells (also called leukocytes or leucocytes and abbreviated as WBCs) are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.

6 0
3 years ago
Help asap please i really got to hurry
Savatey [412]

Answer:

4

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5

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Explanation:

7 0
3 years ago
Substances or mixtures of substances known as buffers, act in living things to resist changes in ______. multiple choice questio
TiliK225 [7]

Answer:

pH

Explanation:

Substances can act as a buffer to resist changes in pH when something more acidic or basic is added

4 0
2 years ago
Compare photosynthesis to an everyday process
mixer [17]
Hello.

A detailed comparison between all of the above details of photosynthesis to the process or subject of your choice?For example if we are going to do cake we are going to need to get all the ingredients so we could start baking when we start mixing the ingredients the cake is almost ready to be baked. We then put it to a pan and put it in the oven to start to bake, And then we have cake. This is like the process of photosynthesis because photosynthesis takes in sun light and then converts oxygen to glucose. The Cake takes in its ingredients and then it gets bake and it gives us energy.

Have a nice day
7 0
3 years ago
Which would have the GREATEST effect on the rate of photosynthesis in a plant?
olchik [2.2K]
The correct answer is B) Light intensity. Hope this helps.
5 0
4 years ago
Read 2 more answers
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