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Question 1 of 10
1. Question
Which of the following represents the approximate percentage for each of (X) and (Y) inside the bacterial cell(Z) in the following figure ?
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Question 2 of 10
2. Question
•The aim for which Hershey and Chase had used the radioactive isotopes of phosphorus and sulphur isCorrectIncorrect -
Question 3 of 10
3. Question
•The percentage of cytosine bases in the DNA molecule isCorrectIncorrect -
Question 4 of 10
4. Question
•A DNA sample contains 4000 nucleotides, including 400 guanine bases, therefore the number of adenine bases is ….. . .CorrectIncorrect -
Question 5 of 10
5. Question
•A turn in DNA molecule has 10 thymine nitrogenous bases, the number of guanine bases in this turn isCorrectIncorrect -
Question 6 of 10
6. Question
•DNA strand contains 150 nitrogenous bases, how many nucleotides are found on this strand ?CorrectIncorrect -
Question 7 of 10
7. Question
•The number of free phosphate groups in the DNA double helix isCorrectIncorrect -
Question 8 of 10
8. Question
Which of the following is correct ?
CorrectIncorrect -
Question 9 of 10
9. Question
•If a sample of DNA contains 400 purine nucleotides. So, the number of pyrimidine nucleotides is ………..CorrectIncorrect -
Question 10 of 10
10. Question
•If the percentage of guanine in a pure DNA sample is 17 % , then the percentage of thymine in this sample is …………… %CorrectIncorrect