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kenny6666 [7]
3 years ago
9

Which of the following is a main function of the circulatory system?

Biology
1 answer:
IgorLugansk [536]3 years ago
5 0

B.  transport oxygen to tissues

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A sample of DNA contains 120 nucleotides, if 35 nucleotides are Guanine, how many nucleotides are Thymine?
Vitek1552 [10]

Answer:

25

Explanation:

In DNA, Guanine pairs with Cytosine, and Thymine pairs with Adenine. This tells us that there are equal numbers for each Guanine and Cytosine, and Thymine and Adenine. When there's 35 Guanine, there should be 35 Cytosine that goes with it. 120 - 2(35) = 50. The remaining 50 nucleotides are Thymine and Adenine, and since they are the same number, divide 50 by 2. 50 ÷ 2 = 25. There are 25 thymine in the sample of DNA.

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2 years ago
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Find the circumference of the circle. Round to the nearest tenth. the circle is 26cm
Valentin [98]

Answer:

81.64

Explanation:

pie x diameter = circumference

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2 years ago
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Laboratory studies indicate a client's blood glucose level is 185 mg/dl. Two hours have passed since the client ate breakfast. W
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Answer:

The answer is C. Serum glycosylated hemoglobin (Hb A1c) .

Explanation:

The serum glycosylated hemoglobin (Hb A1c) test is a diagnostic method used to evaluate the amount of glucose attached to the hemoglobin in blood. This technique is often applied to test the average amount of glucose attached to the hemoglobin in past three months, thus it can be applied for diabetes or pre-diabetes test. Therefore, it is the most reliable diagnostic test in this case.

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2 years ago
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Cell growth occurs in interphase or mitosis?
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Cell growth occurs in interphase.

The cell cycle is composed of interphase, mitosis, and cytokinesis. It can be described in five steps.

The first three steps of the cell cycle are called the interphase. This is where the cell grows, the cell matures, and where the cell carries out its life function. The fourth step is mitosis and the fifth step is cytokinesis.

The interphase has three stages. These are Gap 1, synthesis, and Gap 2.

Gap 1 or growth 1 - where the cell grows and functions normally. Cell growth is twice its original size.

Synthesis - where cell duplicates its DNA

Gap 2 or growth 2 - where cell resumes its growth in preparation for division.







8 0
3 years ago
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Which of these elements are the least dense?
Monica [59]

Answer:

4.Silicon and Magnesium

Explanation:

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