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densk [106]
3 years ago
6

What is a main reason your body uses enzymes in chemical reactions?

Biology
1 answer:
Arisa [49]3 years ago
8 0
The answer is 3, Reactions happen quicker.
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Fred notices that all of his friend's brothers and sisters have dark hair. What is the most likely explanation for this characte
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Answer:

They have identical genes.

Explanation:

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2 years ago
Coaches will often urge athletes to exercise when they have a cold or other infection. What is the immunological reasoning behin
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Exercise is the primary advice the coaches give to the athletes if they get a cold or any other infection. The main reason behind this advice is the fact that exercising strengthens the immunity of a person. When a person has an infection, the strengthening of the immune system will help his body to efficiently fight against the infectious pathogens. The blood circulation is increased which is involved in the enhancement of the acute immunity of the person.

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3 years ago
"Which mode of inheritance produces heterozygotes with phenotypes that differ from either homozygote but typically more closely
lyudmila [28]

Which mode of inheritance produces heterozygotes with phenotypes that differ from either homozygote but typically more closely resembles one homozygous phenotype than the other?"

A) complete dominance

B) incomplete dominance

C) codominance

D) epistasis

E) incomplete penetrance

Answer:

B) incomplete dominance

Explanation:

Incomplete dominance occurs when the dominant allele of a gene is not able to mask the expression of the recessive allele completely. This results in the expression of a phenotype in the heterozygous genotypes that differ from both homozygous genotypes. However, the phenotype of the heterozygote is closer to one of the homozygous genotypes.

For example, the petal color in four o'clock plant is controlled by a gene with two alleles R and r. Here, the "R" allele can not produce enough pigment in heterozygous conditions to completely mask the expression of the "r" allele and the phenotype of the "Rr" plant is "pink". On the other hand, the phenotype of "RR" plant is red while that of the "rr" plant is "white".

5 0
3 years ago
Which is an extreme disturbance to any ecosystem ​
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Extreme disturbances are complex events. The terminology used to identify them, such as 'hurricanes,' 'fires,' 'economic collapse,' 'war,' or 'drought,' is insufficient for advancing understanding about how they interact with, and affect, ecosystems, including SETS.
4 0
2 years ago
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The eye is a subsystem of which major body system?​
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<u>Answer:</u>

sensory system

The eye belongs to an organ system called the sensory system. This system includes all the sensory organs of the body, including the ears, eyes,...

<u>Explanation:</u>

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