7. DNA and Chromosome Structure

Which option correctly describes Watson-Crick base pairing in double-stranded DNA?

In the DNA double helix, the two antiparallel strands are held together primarily by which type of interaction?

Which of the following best describes the structural make-up of a gene?

In the structure of DNA, what is the name of the pentose sugar found in the backbone?

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

In the structure of DNA, what are the sides (backbone) of the DNA ladder composed of?

Which type of force is primarily responsible for holding the two strands of DNA together in the double helix?

In DNA structure, what is the backbone of a DNA strand primarily made of?

In the context of DNA structure, the monomers (building blocks) of DNA and RNA are:

In double-stranded DNA, guanine (G) always base-pairs with which nitrogenous base?

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

Which of the following statements is NOT true of DNA in most cells?

Which RNA nucleotide is complementary to thymine in DNA during transcription?

In the DNA double helix, what are the “rungs” of the DNA ladder made of?

Which option shows a correctly paired DNA double-stranded segment according to Watson-Crick base-pairing rules?