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sertanlavr [38]
2 years ago
8

Which statement describes the condition of the heart at the point indicated in the electrocardiogram?

Biology
1 answer:
wariber [46]2 years ago
5 0

Answer:

I think it's B

Explanation:

During QRS that's when the depolarization happens and when that happens the ventricles contract and push blood to the lungs and body.  

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Answer: True

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Absorption is the process in which cells A) create food. B) make proteins. C) release wastes. D) take in nutrients.
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3 years ago
The information from messenger RNA is used to create polypeptide sequences during the process of _____.​
polet [3.4K]

Answer:

Translation

Explanation:

The translation is the process during which the nucleotide sequence of the mRNA is read in the form of genetic codes. The nucleotide sequence of mRNA is complementary to the template DNA strand. According to the sequence of the nucleotides in the mRNA, the amino acids are added in a specific order to make the polypeptide chains. The process occurs on ribosomes. The ribosomes move along the mRNA to read its sequence and the tRNA brings are amino acids to be added to the polypeptide chains.

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3 years ago
If you place a strong acid in water it will likely ionize. If you put the same acid in oil it will not. Why the difference?
denpristay [2]

Answer

An acid that breaks down completely and gives off many ions, or protons, is considered to be a strong acid. ex H₂SO₄

If you place strong acid into water it dissociate acid into H⁺ ions

Water is polar solvent(H⁺ and OH⁻), which has partial positive charge on one side and partial negative charge on the other side.

Strong acids readily dissociate in polar solvents to give H+ ions.

Where as Oil is a non polar solvent it has same charge all over so no dissociation of strong acid will take place.

4 0
3 years ago
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