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Makovka662 [10]
3 years ago
15

Please help with this question:)

Biology
2 answers:
leonid [27]3 years ago
8 0
I would say it is a hydrogen bond
Mademuasel [1]3 years ago
5 0

Answer:

Hydrogen Bond

Explanation:

Hydrogen bonds tend to be weaker than most due  to the fact their chemical bond occurs between hydrogen atoms and more electronegative atoms such as oxygen, nitrogen, and flourine. The participating atoms can be located on the same molecule (adjacent nucleotides) or on different molecules.

Hope this Helps! :)

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What is the physiological response to hypoxia?
Alex17521 [72]

Answer:

In most tissues of the body, the response to hypoxia is vasodilation. By widening the blood vessels, the tissue allows greater perfusion. By contrast, in the lungs, the response to hypoxia is vasoconstriction.

Explanation:

8 0
3 years ago
Please help for brainliest!
mr Goodwill [35]

Answer:

Commensalism

Explanation:

Commensalism is when one organism benefits and the other doesn't benefit and is also not harmed. The tree is helping the orchid and the orchid isn't benefiting or harming the tree.

8 0
3 years ago
The people represented by the denisova fossils likely:
nasty-shy [4]
The people who represented the Denisovan species are more likely to be related to <span>Neandertals, rather than human beings (Homo sapiens). The former differs from the latter at 202 positions of the mitochondrial DNA. Their fossil records claim that humans, Denisovans, and Neandertals have the same ancestry. </span>
5 0
3 years ago
A population of wild-flowers was scored for flower color. There were 302 blue (BB) plants, 1857 violet (BR) plants and 811 red (
Paul [167]

Answer:

frequency of the blue (B) allele = 0.4142

frequency of the red (R) allele = 0.5858

The number of blue plants expected is 509.652

The number of red plants expected is 1019.304

The anticipated number of violet plants is 1441.341

Calculated chi square value

= 84.5320 + 42.5688 + 119.8692\\= 246.97

Explanation:

Frequency of blue allele is

Frequency of blue allele is equal to sum of frequency of BB and half of frequency of BR

\frac{302}{2970} + \frac{1}{2} \frac{1857}{2970} \\= 0.1016 + 0.3126\\= 0.4142

Frequency of other allele

1- 0.4142\\= 0.5858

Chi Square test

See the attached file

The number of blue plants expected is 509.652

The number of red plants expected is 1019.304

The anticipated number of violet plants is 1441.341

Calculated chi square value

= 84.5320 + 42.5688 + 119.8692\\= 246.97

7 0
3 years ago
I really need help it's overdue please
Scilla [17]
What do you need help with sir??
7 0
3 years ago
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