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Art [367]
3 years ago
9

Increase the mutation rate with radiation or chemicals.

Biology
2 answers:
MakcuM [25]3 years ago
8 0

Answer:

Use chemicals to prevent chromosomal separation during meiosis in plants.

cluponka [151]3 years ago
3 0

Answer:

The risk of genetic mutation is expressed in terms of the doubling dose: the amount of radiation that would cause additional mutations equal in number to those that already occur naturally from all causes, thereby doubling the naturally occurring rate of mutation.

Explanation:

hope it will help you

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As the size of some animals has evolved to greater sizes, the effectiveness of their adaptations that promote exchanges with the
mezya [45]

Answer:

More branching or folds.

Explanation:

Adaptation may be defined as the ability of the organism to adapt and survive according to its environment. Physical, physiological and chemical changes occur in the body of organism for the adaptation process.

The evolution of the increase in the size of the animals might also changes their internal physiology. The lungs and digestive tract also evolved as the size of the organism get bigger. The lungs has the alveoli to increase the surface area and inhalation of more oxygen in the body. Digestive system has villi or folds that increases the surface area for digestion and absorption.

Thus, the answer is more branching or folds.

3 0
3 years ago
Give the sequence of mRNA that would match the following DNA strand
sladkih [1.3K]

Answer:

Below

Explanation:

mRNA is a complimentary copy of a DNA segment (gene) and consequently can be used to deduce the gene sequence. For converting a sequence from mRNA to the original DNA code, apply the rules of complementary base pairing: Cytosine (C) is replaced with Guanine (G) – and vice versa. Uracil (U) is replaced by Adenine (A).

The codon is the three nucleotide sequence in the mRNA that indicates which amino acid should be incorporated in the growing polypeptide chain. The anticodon is the complementary three nucleotide sequence in the appropriate tRNA.

7 0
2 years ago
1. A woman presents breast milk production without being pregnant and without having
Zinaida [17]

the answer is B! prolactin

5 0
3 years ago
Read 2 more answers
Hibernating animals have low rates of metabolism. they can keep warm by synthesizing a membrane protein not normally present in
Tasya [4]
Thank you for posting your question here at brainly. I hope my answer here will help you. To answer the question, t<span>he membrane protein thermogenin disrupts the H+ gradient in fat cell mitochondria and this results in the release of heat.</span>
7 0
3 years ago
What are the two steps of signal detection?​
kozerog [31]
B. the intensity o stimulus and the observer's criteria.
7 0
3 years ago
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