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Greeley [361]
3 years ago
10

How does a hydrogen bond form?

Biology
1 answer:
vazorg [7]3 years ago
3 0

Answer:

It results from the attractive force between a hydrogen atom covalently bonded to a very electronegative atom such as a N, O, or F atom and another very electronegative atom.

Explanation:

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vovikov84 [41]

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groundwater comes to the surface and floods the land

Explanation:

7 0
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Select the three correct answers.
loris [4]

Answer:

a, b, c are correct

Explanation:

Enhancers are DNA sequences that increase the rate of transcription. Enhancers act as binding sites for transcription factors that stimulate the transcription of one or more genes and enhancers stimulate transcription for specific cell type or tissue in a specific manner. The possible reasons for the lack of enhancers in bacteria include.

Enhancers often provide a mechanism for cell-specific transcription of genes, and most bacteria lack differentiated cell types.

Bacterial operons make coordinate regulation of protein synthesis by enhancers unnecessary.

There is little to no intergenic space on bacterial chromosomes, which makes long-range-acting enhancer sequences unnecessary.

Therefore, the correct options are (a), (b), and (c).

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3 years ago
"the number of women who died of breast cancer divided by the number of all women with breast cancer in the same year is a measu
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Answer:  "c<span>ase fatality rate" .
____________________________________________</span>
4 0
3 years ago
What are tissues??<br>and what are cells?​
Slav-nsk [51]

Answer:

Tissues-

Tissue is a group of cells that have similar structure and that function together as a unit. A nonliving material, called the intercellular matrix, fills the spaces between the cells. This may be abundant in some tissues and minimal in others.

Cells-

Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.

Hope it helps dear Army ⟬⟭

Mark me as brainliest

if you find it helpful.

4 0
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Which joint shows the motions called elevation and depression?
allsm [11]
It is the ankle joint
3 0
3 years ago
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