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garik1379 [7]
3 years ago
7

You are running in a race.What is one feedback mechanism that happens as you increase exercise and muscle activity?

Biology
1 answer:
SpyIntel [72]3 years ago
8 0

Answer: Heart Rate

Explanation:

When you are running in a race, one feedback mechanism that happens as you increase exercise and muscle activity is that, your heart rate also increases. Your heart rate increases because it needs to sustain the body's need of more energy to be supplied to the different parts of the body during an activity.

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A section of DNA encodes a gene for an enzyme involved in cellular metabolism. If a mutation event occurs that results in the de
Lady_Fox [76]

Answer:

The correct answer would be C. The protein synthesized will contain many erroneous amino acids since the loss of one base will shift the reading of the encoded base sequence.

Deletion mutation that does not occur in the multiple of three bases can results in frame-shift mutation.

It changes the reading frame of nucleotide in DNA. Thus, the reading frame of codons in mRNA would also change.

Consequently, the sequence of amino acids in a polypeptide chain would change or alter. Thus, a protein would contain many erroneous amino acids.

An example of the same is shown below in the image.

4 0
3 years ago
Under directional selection, the rate of evolutionary change in gene
laila [671]

Answer: True

Explanation:

When an allele that is dominate and favoured in an individual carrying are heterozygous and the large fitness difference between heterozygous and the homozygotes not in use results to a rapid change in the frequencies of the allele.

4 0
3 years ago
What type of reproduction occurs when animals produce cloned offspring
gtnhenbr [62]
This is called asexual reproduction.
8 0
3 years ago
Please match the white blood cells with the statements that most accurately describe them to test your understanding of the beha
Artyom0805 [142]

Following are the statements:

1. Main phagocytes in circulation

2. Like eosinophils, they are involved in inflammation and allergic reactions

3. Phagocytic cells that leave circulation and differentiate into macrophages

4. Display no antigen specificity but are active against tumor and virally infected cells

Answer:

1. Neutrophils

2. Basophils

3. Monocytes

4. Natural killer cells

Explanation:

Neutrophils can be described as the most abundant type of white blood cells. They make up to 55%- 75% of the immune system.

Basophils can be described as white blood cells which are made in the bone marrow.

Monocytes can be described as white blood cells which are the largest and differentiate into macrophages and myeloid lineage dendritic cells.

Natural killer cells can be described as white blood cells which play a role in providing innate immunity.

8 0
3 years ago
What part of the plant produces fruit and seeds? HELP ASAP!!!!!!!!!!!!!!!!!!∵
Shalnov [3]

Answer:

The gynoecium of the flower(s) forms all or part of the fruit, which occurs from the maturation of one or more blooms. One or more ovules contain the egg cell of the megagametophyte, which is found inside the ovary/ovaries. These ovules will form seeds after double fertilisation.

Explanation:

7 0
2 years ago
Read 2 more answers
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