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Maru [420]
3 years ago
10

The blank* of the cell direct cell activity and ask like the control center

Biology
1 answer:
Aleksandr-060686 [28]3 years ago
8 0
The answer to this question is the nucleus
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A pigment solution contains compound A with 4 polar groups and compound B with 2 polar groups. You plan to separate these compou
Karolina [17]

The more polar A compound moves ahead of the less polar B compound.

Explanation:

The analytical process that involves the separation of colored substance or chemicals is named as paper chromatography, a replacement of thin-layer chromatography. In this method, there is the use of two solvents and rotation of paper at 90^0. It helps in isolating two complex compounds of equal polarity.

A non-polar mixture of solvent is required in the mobile phase of this method. In accordance with the retention factor of this process, the more polar compound A will go further than compound B as the solvent is non-polar.

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Darwin observed a variety of tortoises on the Galapagos Islands. These observations provided evidence for which of these stateme
mars1129 [50]

Answer:

B) Species vary over time

3 0
3 years ago
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Isabella has two brothers. One has brown hair and brown eyes like she does, while the other has dark
grandymaker [24]

Answer:

They get different genes from each parent.

Explanation:

8 0
3 years ago
Animals are made up of eukaryotic cells, meaning they have a ________ which contains the DNA.
fgiga [73]

Answer:

Animals are made up of eukaryotic cells, meaning they have a nucleus which contains the DNA. :)

4 0
3 years ago
Recall that two hydrogen bonds bind A and T, but three hydrogen bonds bind G and C. Because the stability of DNA is affected by
IrinaK [193]

Answer:

A molecule with 32 percent or more amount of Cytosine.

Explanation:

DNA is the genetic material of all the living organism but in few viruses, RNA can also acts as the genetic material. DNA contain nitrogenous bases ( adenine, guanine, thymine and cytosine), deoxyribose pentose sugar and the phosphate bond.

The triple bond is more stable than the double bond. Since, cytosine and guanine shows triple hydrogen bonding and shows more stability. The DNA molecule that contains more residues of guanine and cytosine is stable than the molecule containing adenine and thymine residues.

Thus, the answer is molecule with 32 percent or more amount of Cytosine.

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3 years ago
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