7. DNA and Chromosome Structure

In the DNA double helix, which two types of molecules form the sugar-phosphate backbone of each strand?

In the context of DNA structure, DNA is classified as which type of biological macromolecule?

What is the main function of chromosomes in a plant cell?

In the structure of DNA, the nucleotide thymine (T) always pairs with which other nucleotide?

In DNA structure, the backbone of the DNA molecule is primarily made up of which components?

Which set correctly lists the nitrogenous bases found in DNA?

DNA is made of repeating units called:

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

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

In DNA structure, what type of bond holds complementary nitrogenous bases (A with T, and G with C) together across the two strands?

Which of the following is a nucleotide found in DNA?

DNA gets its name from which chemical component?

In DNA structure, a nucleotide of DNA may contain which of the following components?

The two strands of nitrogenous bases in DNA are joined by which type of bond?

The size of a nucleic acid is typically expressed as the number of which of the following in it?