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Dimas [21]
3 years ago
12

The heart is the most

Biology
1 answer:
svetoff [14.1K]3 years ago
7 0

Answer:

The main function of the circulatory (or cardiovascular) system is to deliver oxygen to the body tissues, whilst simultaneously removing carbon dioxide produced by metabolism.

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Li-Fraumeni syndrome (LFS1) is a rare hereditary disorder that leads to a predisposition to cancer. This hereditary disorder is
Nimfa-mama [501]

Answer:

CHK2, p53, p21, cell cycle progression.

Explanation:

In a normal cell with no LFS mutation, during the G1 stage of cell cycle progression, the CHK2 activates if there is damage in the DNA. CHK2 activates p53, which is a tumor suppressor protein that will hold the cell cycle in G1/S until the DNA is repaired. The p53 protein activates p21, a protein that binds to CDK2 and stops the cell cycle. The cell cycle will continue once the damage is repaired.      

3 0
4 years ago
According to the big bang theory, the universe is continually getting
melisa1 [442]

larger and cooler I think or larger and warmer

8 0
3 years ago
Read 2 more answers
Which general tissue is responsible for transporting substances?
vampirchik [111]
Hello,

Here is your answer:

The proper answer to your question is option B "Vascular"! Vascular tissues are responsible for transporting water around the body!

Your answer is B.

If you need any ore help feel free to ask me!

Hope this helps!
4 0
3 years ago
When a virus invades a host the most common threat is
mylen [45]
The answer is c because we just learned about it today. Viruses destroy cells
6 0
3 years ago
Virus? Living or not? If we use the image as an indicator, we might say living because
kondor19780726 [428]
A virus is a tiny organism and may lead to mild-severe illnesses in animals or plants or humans.

Biologically we can term virus as a bit of RNA or DNA in a protein coat. It cannot replicate without another organism.

If we use an image of indicator, we may say yes virus is living. This is because the virus particle is non-cellular but has an NDA core.This core is enclosed in a protein coat and it has spike-like projections in all over its surface.
5 0
4 years ago
Read 2 more answers
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