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Paha777 [63]
3 years ago
15

Several groups of researchers were conducting experiments to study how exercise affects cholesterol levels. One group had colleg

e students run two miles a day for six weeks. Another group had senior citizens participate in gentle water aerobics twice a week for a year. Cholesterol levels dropped slightly among the college students but dropped significantly among the senior citizens. Based on these results, what should the researchers plan to do next to validate the findings?
Biology
1 answer:
Vesnalui [34]3 years ago
4 0

Answer:

Design more studies testing the effect of duration and intensity of exercise on cholesterol levels in different age groups.

Explanation:

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I don't know. but a human can swim inside an blue whales main heart aterary comfortably.

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3 years ago
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What type of chromosomal abnormality can lead to multiple copies of a gene, some of which can incur mutations that can lead to t
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A trisomy is a chromosomal condition characterized by an additional chromosome. A person with a trisomy has 47 chromosomes instead of 46.

Trisomy means the presence of an extra chromosome in some or all of the body's cells. This results in a total of three copies of that chromosome instead of the normal two copies. For example, Down syndrome (trisomy 21) is caused by having three copies of chromosome 21 instead of the usual two copies.

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2 years ago
LIttle Jimmy Brown's blood typing results showed agglutination with both the plasma containing anti A and anti B antibodies. Wha
Marat540 [252]

Answer:

Jimmy's blood type: "O" Blood

Jimmy can receive blood from: O blood type only.

Explanation:

The anti-A antibodies are present in the plasma of "B" blood type. Similarly, the blood type "A" has anti-B antibodies in its plasma. Since Jimmy's blood is showing agglutination with both "A" and "B" blood type, he has "O" blood type.

The "O" blood type has both anti-A and anti-B antibodies in its plasma and exhibits agglutination with both A and B blood type. The "A" antigen of "A" blood type reacts with anti A antibodies of jimmy's blood while "B" antigen of "B" blood type would exhibit agglutination with "anti B antibodies" of Jimmy's blood. He can get blood from "O" blood type only as he has both anti-A and anti B antibodies in his blood plasma.

7 0
3 years ago
The partial pressure of carbon dioxide in venous blood is approximately
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at sea level in arterial blood it is between 35 mmHg and 45 mmHg. at sea level in venous blood it is between 40 mmHg and 50 mmHg
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N a lab you are conducting tests with various chemicals and neurotransmitter receptors. you notice that exposed frog muscle cell
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The effect of a neurotransmitter is based on the properties of the receptor more than the neurotransmitter.
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