DNA Structure and Function (1–20)

What does DNA stand for?

• Deoxyribonucleic acid

• Dioxyribose acid

• Dinucleic acid

• Deoxyribose nucleotide

DNA is shaped like a:

• Circle

• Ladder

• Double helix

• Square

The building blocks of DNA are:

• Amino acids

• Nucleotides

• Proteins

• Sugars

A nucleotide consists of:

• Sugar, phosphate, base

• Protein, sugar, acid

• Ribose, acid, protein

• Sugar, enzyme, fat

The sugar in DNA is:

• Ribose

• Glucose

• Deoxyribose

• Fructose

In DNA, adenine always pairs with:

• Guanine

• Cytosine

• Thymine

• Uracil

In DNA, cytosine pairs with:

• Uracil

• Adenine

• Thymine

• Guanine

The base not found in DNA is:

• Cytosine

• Uracil

• Thymine

• Guanine

DNA replication happens in which phase of the cell cycle?

• M phase

• G1 phase

DNA replication is called semi-conservative because:

• It destroys the original strand

• Each new DNA has one old and one new strand

• It makes two completely new strands

• It uses half the DNA only