Test Bank for Biochemistry 9th Edition by Lubert Stryer, Jeremy Berg, John Tymoczko, Gregory Gatto Chapter 1-36
Chapter 1 Biochemistry: An Evolving Science Multiple-Choice Questions 1) DNA is made from the building blocks adenine, guanine, cytosine and _____. A) B) C) D) E)
uridine thymine inosine ribose None of the answers is correct.
Answer: B Section: 1.2
2)
The DNA backbone is made from repeating _____.
A) B) C) D) E)
monosaccharide units amino acid units sugar-phosphate units fatty acid None of the answers is correct.
Answer: C Section: 1.2
3)
The number of hydrogen bonds formed between A and T is _____.
A) B) C) D) E)
1 2 3 4 2 if in DNA, 3 if in RNA