What are the four nitrogenous bases found in RNA? a. cytosine, guanine, thymine, uracil (C, G, T, U) b. adenine, cytosine, guanine, thymine (A, C, G, T) c. adenine, cytosine, guanine, uracil (A, C, G, U) d. alanine, cysteine, glycine, threonine (A, C, G, T)

Which of the following describes a difference between DNA and RNA?

Which of the following are pyrimidines found in the nucleic acid DNA?

Based on complementary base pairing, you would expect the percentage of __________ to be equal to the percentage of __________.

A shortage of phosphorus in the soil would make it especially difficult for a plant to manufacture __________.

What determines the primary structure of a DNA molecule? a. stem-and-loop configuration b. complementary base pairing c. deoxyribonucleotide sequence d. hydrophobic interactions and hydrogen bonding

Evaluate the following statements related to the synthesis of nucleic acids. Select True or False for each statement. T/F Ribonucleotides are added to the 3′ end of a DNA strand. T/F Polymerization of nucleic acids occurs by the formation of phosphodiester bonds. T/F Complementary pairing between sugars is required for copying nucleic acids. T/F Strands in a double helix are synthesized in an antiparallel orientation.

Single strands of nucleic acids are directional, meaning that there are two different ends. What functional groups define the two different ends of a strand?

What is responsible for the increased stability of DNA compared to RNA?