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aniked [119]
3 years ago
5

The fusion of two deuterium nuclei requires extreme temperature and _____.

Biology
2 answers:
nataly862011 [7]3 years ago
6 0
<span>The answer is A. high pressure. The fusion of two deuterium nuclei can only be done with high temperature and also highpressure to prevent electrostatic repulsion of the proton. The successful combination of the deuterium then creates helium as it all combines.
    Source: Objective Pre-Engineering Physics, Objective Questions with a Glossary of Knowledge wrote by Shobhana Sharma/ Google books </span>
QveST [7]3 years ago
5 0

One of the stable isotopes of hydrogen is deuterium. The nucleus of the deuterium has one proton and one neutron. The fusion of the two nuclei of the deuterium requires certain conditions, which includes high temperature and pressure. Such extreme conditions are required to overcome the repulsion of the protons in the each nucleus.

Hence, the correct answer is option (a) - high pressure.

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2 years ago
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Put the following four steps of eukaryotic gene expression in order, from beginning to end.
hjlf

Answer:

I believe the correct order of the eukaryotic gene expression, from beginning to end would be: (4), (1), (3), and then (2).

Explanation:

This is because in order to make RNA, you must have a "template," or DNA. (4) The DNA is then copied. (1) the mRNA is then transported out of the nucleus and into the cytoplasm where it is connected to ribosomes. (3) The mRNA is now in the ribosomes, so the ribosomes translate the mRNA and all the thymine bases would be replaced with uracil to make proteins. (2)

Hope this helps,

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3 years ago
If a mutation occurred that increased the number of exons in a sequence of DNA, what impact would this have on the protein forme
erastovalidia [21]

Answer:

See the answer below

Explanation:

<em>An increase in the number of exons in a sequence of DNA would result in another protein with a longer amino acid sequence.</em>

<u>Exons are the coding part of a gene as opposed to introns. After transcription, the non-coding part of the gene - the introns - are removed by splicing and the exons are joined back together. The final RNA that will undergo translation consists of only exons. </u>

The longer the exons in a gene, the more the codons present in the corresponding mRNA from the gene, and the more the number of amino acids that would be translated from the mRNA. A longer amino acid chain would result in a different protein.

Hence, a mutation that causes an increase in the number of exons in a sequence of DNA would result in a different protein with a longer amino acid sequence.

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3 years ago
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Galina-37 [17]

Answer:

Information about flowers

Explanation:

1. A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants. The biological function of a flower is to affect reproduction, usually providing a mechanism for the union of sperm with eggs.

2. Information about stamen and pollen: The stamen is a male reproductive organ of a flower. It produces the pollen. The stamen has two parts: anther and stalk. After successful pollination, the pollen grain (immature microgametophyte) completes it's development by growing a pollen tube and the two male gametes move through the pollen tube to the ovule.

sorry if it's too long. hope this helps!!

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3 years ago
What are three functions of nucleic acids?
harina [27]

Answer:

Nucleic acids are macromolecules that store genetic information and enable protein production. Nucleic acids include DNA and RNA.

Explanation:

4 0
3 years ago
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