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Scorpion4ik [409]
2 years ago
6

I’ll give brainliest. Make it detailed. Follow the specifications.I will report spam.

Biology
1 answer:
alina1380 [7]2 years ago
4 0

Answer:

As Jane exercises her heart rate and breathing rate increase because he muscles are asking for more oxygen and get rid of more carbon dioxide. More blood is diverted towards the muscles as they need more oxygen for respiration. She needs to burn glucose with oxygen and water to produce energy so she can run. The way she can get this oxygen into her body is through her lungs. Where oxygen from the air diffuses into the blood and carbon dioxide diffuses out.

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How does crossing over in meiosis result in genetic variation?
Aneli [31]

Cross over is the first  way genes are shuffled to give rise to genetic diversity. Cross over takes place in sexual  reproduction.  The normal way that cross over occurs is chromosomes line up side by side and break off pieces of themselves, then trade those pieces with each other.

If they break the pieces at the same locus in the sequence of base pairs, the result is an exchange of genes called  genetic recombination and it ensures that the daughter cells produced  have a different genetic makeup from the parent cell and thus diversity occurs.

  

8 0
3 years ago
Who proposed biology to be studied as a single subject?
pishuonlain [190]

Answer:

Isaac Newton

Explanation:

아이작 뉴턴

kamsahamnida

5 0
2 years ago
Which of the following shows all of the tripeptides that can be formed from one molecule each of lysine (Lys), threonine (Thr),
Ierofanga [76]

Answer:

LysThrHis, LysHisThr, HisLysThr, HisThrLys, ThrLysHis, ThrHisLys

Explanation:

You easily combine the options for the tripeptide if you made a chart

Also you can calculate the posibilities with the factorial function in the calculatio (x!): 3*2*1 (you can multiplicate the number of amoniacids by the followed numbers until 1) = 6

7 0
3 years ago
Read 2 more answers
A)Exons 2 and 3 must have the same number of nucleotides. B)Exons 2 and 3 must contain an integral number of codons (that is, th
Thepotemich [5.8K]

Answer:

Statement C is the only one that is necessarily true for exons 2 and 3. It is also true for exons 7 and 8. While statements A and B could be true, they don’thave to be. Because the protein sequence is the same in segments of the mRNA that correspond to exons 1 and 10, neither choice of alternative exons (2 versus 3, or 7 versus 8) can alter the reading frame. To maintain the normal reading frame—whatever that is—the alternative exons must have a number of nucleotides that when divided by 3 (the number of nucleotides in a codon) give the same remainder. Since the sequence of the a-tropomyosin gene is known, it is possible to check to see the actual state of affairs. Exons 2 and 3 both contain the same number of nucleotides, 126, which is divisible by 3 with no remainder.

4 0
2 years ago
In the 1700s, Swedish biologist Carl Linnaeus developed a system of classifying organisms in which every organism was given a sc
kramer

Answer:

a

Explanation:

4 0
3 years ago
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