7. DNA and Chromosome Structure

In the context of DNA and RNA structure, what is the monomer (basic repeating subunit) of both DNA and RNA?

Genes are strands of ________ found on chromosomes in the nucleus of a living cell.

Which sugars are found in DNA and RNA, respectively?

In an analysis of the nucleotide composition of DNA, which of the following statements is always true for double-stranded DNA?

In the DNA double helix, what structural feature gives DNA an overall negative charge at physiological pH?

For the eukaryotic DNA sequence shown below, which of the following correctly describes the directionality of the two strands in a double helix?

In the DNA double helix, what molecules form the sides of the “ladder” (the backbone)?

Which molecules make up the backbone of DNA?

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

In the context of DNA structure, what is the five-carbon (pentose) sugar found in DNA nucleotides?

In the DNA double helix, what holds the two antiparallel strands together?

DNA is constructed of which of the following components?

In double-stranded DNA, adenine (A) always pairs with which base according to Watson-Crick base pairing rules?

Which of the following is a key structural difference between DNA and RNA?

Which of the following lists correctly identifies the four nitrogenous bases found in DNA?