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DNA Questions

DNA Questions. Question. How many pyrimidines and purines in total occur in DNA and RNA? A) 2, 2 B) 2, 3 C) 3, 2 D) 4, 1. Question. Which of the following are purines? 1. Adenine 2. Cytosine 3. Guanine 4. Thymine A) 1, 2 B) 1, 3 C) 2, 4 D) 2, 3. Question.

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DNA Questions

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  1. DNA Questions

  2. Question • How many pyrimidines and purines in total occur in DNA and RNA? • A) 2, 2 • B) 2, 3 • C) 3, 2 • D) 4, 1

  3. Question • Which of the following are purines? • 1. Adenine 2. Cytosine 3. Guanine 4. Thymine • A) 1, 2 • B) 1, 3 • C) 2, 4 • D) 2, 3

  4. Question • Which of the following bases is cytosine? • A) B) • C) D)

  5. Question • Which of the following bases is adenine • A) B) • C) D)

  6. Question • Which of the following bases is only found in DNA? • A) Cytosine • B) Thymine • C) Adenine • D) Uracil

  7. Question • To which atom(s) of the pyrimidine is the anomeric carbon of a sugar attached? • A) 1 • B) 2 • C) 3 • D) 4

  8. Question • The bond that joins two nucleotides together is called a • A) amide bond. • B) peptide bond. • C) phosphodiester bond. • D) hydrogen bond.

  9. Question • The base pairs present in DNA are: • A) A---C and C---T • B) A---C and G---T • C) A---U and C---C • D) A---T and G---C

  10. Question • Which nucleotide sequence is complimentary to the DNA strand AGGTC? • A) UCCUG • B) TCCAC • C) CTTGA • D) TCCAG

  11. Question • Estimate the guanine content of turtle DNA if adenine = 28.7% and cytosine = 21.3%. • A) 28.7% • B) 21.3% • C) 57.4% • D) 42.6%

  12. Question • What is the start codon for protein biosynthesis? • A) UAG • B) UAA • C) AUG • D) UGA

  13. Question • The steps of one cycle of PCR (polymerase chain reaction) are in order: • A) Denaturation - Annealing - Synthesis • B) Annealing - Denaturation - Synthesis • C) Annealing - Synthesis - Denaturation • D) Denaturation - Synthesis - Annealing

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