7. DNA and Chromosome Structure

In the context of DNA structure, both DNA and RNA are polymers made of repeating building blocks called:

How many different types of nucleotides are present in DNA?

Which feature pertains to DNA but not to RNA under typical cellular conditions?

In double-stranded DNA, what type of chemical bonds hold complementary nitrogenous bases together across the two strands?

In DNA structure, DNA is composed of repeating structural units called what?

In DNA structure, the “twisted ladder” shape of DNA is called the:

In the context of DNA structure, what are the monomers that make up a DNA polymer?

Each nucleotide in a DNA molecule consists of which of the following components?

In the DNA double helix, what type of bond primarily holds the two antiparallel strands together?

In contrast to RNA, DNA contains which nitrogenous base instead of uracil?

In the structure of DNA, which pentose sugar is present in the backbone?

In the B-form DNA double helix, approximately how many times longer is one helical turn than the diameter (width) of the helix?

In the context of DNA structure, what does DNA stand for?

Which of the following best describes the primary function of DNA in cells?

Which nitrogenous base is not found in DNA?