Multiple Choice
The structure of DNA is best described as
A) a single chain twisted around itself.
B) a random mixture of deoxyribose,phosphate,adenine,guanine,thymine and cytosine.
C) two complementary chains of nucleotides held together by hydrogen bonds.
D) two chains of phosphate and ribose wound in a double helix.
E) a backbone of nucleotide bases with phosphate and deoxyribose molecules attached.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Which of the following statements is TRUE?<br>A)DNA
Q2: DNA differs from RNA in that<br>A)the sugar
Q3: Which of the following methods is used
Q5: Biotechnology refers to<br>A)the various techniques for manipulating
Q6: Which of the following methods is used
Q7: Genetic engineering involves<br>A)the manipulation of microbial cells
Q8: During bacterial conjugation<br>A)a bacteriophage may infect a
Q9: An enzyme that can break a DNA
Q10: The ability of some bacteria to take
Q11: The term used to indicate that a