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seropon [69]
4 years ago
12

HIV weakens the immune system by killing

Biology
1 answer:
TEA [102]4 years ago
7 0
<span>HIV weakens the immune system by killing </span>Helper T-Cells

I hope this helps :)
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Which is a nucleic acid? ATP NH2 CH4 RNA
AlladinOne [14]
RNA. RNA is ribonucleic acid.
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3 years ago
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4. Living things are sometimes called "carbon-based life forms." Do you think this is a good way to describe life? Explain your
victus00 [196]

Answer:

Explanation:

Yes, for a couple of reasons.

1. Carbon connects easily with other carbons.

2. Carbon forms chemical that can change and connect with other carbons even in biology or especially in Biology. If you take a brown seen and plant it where it can get water and soil nutrients, to will come up as a green plant. Think about the chemistry that goes into that. Not only that, but there are mechanisms that tell the upper part of the plant that the roots can't supply any more growth. Isn't that something? All made from Carbon.

3. The human body is a mass of Carbon based chemicals and all cells there can have different functions. Amazing isn't it? I'm a fan of the diversity of our planet and its growth.

4 0
3 years ago
How is dna the basic of life?
Allushta [10]


DNA is considered the molecule of life because it contains the instructions that ensure the continuity of life. Employment of DNA to code for protein is the basis of all life on earth. 

In all living things, inherited DNA  is used to code for amino acids  which when joined or linked together in a deliberate specific  manner form polypeptides which make up proteins. These proteins are responsible for  structure and function of cells. 

For example DNA provides information to make  four polypeptide (two beta and two alpha ) chains  which make up hemoglobin, the protein that functions as the oxygen carrier in red blood cells. In summary,

DNA → protein →  trait, and that relationship is the physical basis of life.


6 0
3 years ago
dna is made of two chains of nucleotides. which type of bonds hold the chains together? hydrogen bonds covalent bonds ionic bond
Virty [35]
<span>The appropriate response is hydrogen bonds. It is a feeble bond between two particles coming about because of an electrostatic fascination between a proton in one atom and an electronegative iota in the other. Intermolecular hydrogen holding is in charge of the high breaking point of water (100 °C) contrasted with the other gathering 16 hydrides that have significantly weaker hydrogen bonds.</span>
7 0
3 years ago
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The organs of vascular plants consist of layers of specialized ___.
stellarik [79]

Answer:

Tissues

Explanation: hope this helps :)

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3 years ago
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