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Mandarinka [93]
3 years ago
15

WILL MARK BRAINLIEST IF CORRECT! MUST CHOOSE BOTH CORRECT ANSWERS

Biology
1 answer:
Minchanka [31]3 years ago
4 0

Answer:

I am going to guess A and C

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If a DNA molecule is found to be composed of 40% thymine, what percentage of guanine would be expected.
Likurg_2 [28]

Answer:

10%

Explanation:

Chargaff postulated the complementary base pairing rule, where he stated that in the DNA molecule, Adenine (A) will always pair with Thymine (T) and Guanine (G) with Cytosine (C) i.e. A-T, G-C

Chargaff stated that the concentration of purines (Adenine and Guanine) is always equal to that of pyrimidines (Thymine and Cytosine) i.e. {A} + {G} = {C} + {T}

These equal concentration equals 100% in totality i.e. A+G+C+T= 100%

Thymine pairs with Adenine, if there is 40% of Thymine in the DNA molecule, it means there will be 40% of Adenine also. 40 + 40 = 80%. This leaves us with 100-80 = 20% for Guanine and Cytosine.

Since there will be an equal amount of Guanine and Cytosine too, Guanine will therefore, be 20/2 = 10%.

That is, 10% Guanine, 10% Cytosine.

8 0
3 years ago
Pls help giving brainliest !!!!!!!!!!!
soldier1979 [14.2K]

Answer:

Your answer is 2.

Explanation:

To calculate the mechanical advantage of a pulley you simply have to count the number of rope sections that support whatever object you are lifting (not counting the rope that is attached to the effort). For example, in a one pulley system the MA is 1. In a two pulley system the MA is 2.

7 0
3 years ago
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a_sh-v [17]
The answer is A. Oxygen
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A nurse obtains the history of a client with early colon cancer. which clinical finding does the nurse consider consistent with
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Colorectal Cancer have these following symptoms or signs that a nurse should consider:1. Abnormality of bowel habits like constipation, diarrhea, and stool narrowing, lasting for more than few days2. Rectal bleeding of bright red blood3. Having blood in the stool and makes it look dark4. Abdominal pain5. Fatigue6. Sudden weight loss
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Which region would be the warmest during daytime? A. B. C. Or D.?
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Region A, Hope this helps.
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