Review

What is the building blocks of DNA?

• Lipids

• carbohydrates

• nucleotides

• proteins

Bacteriophages are _______?

• a form of bacteria

• enzymes

• coils of DNA

• viruses

A nucleotide does NOT contain

• a 5-carbon sugar

• an amino acid

• a nitrogen base

• a phosphate group

According to Chargaff's rule of base pairing, which of the following is true about DNA?

• [A] = [T], and [C] = [G]

• [A] = [C], and [T] = [G]

• [A] = [G], and [C] = [T]

• [A] = [T] = [C] = [G]

The process by which one type of bacteria is changed into another type is called _____

• transcription

• transformation

• duplication

• replication

Which is true about the structure of DNA?

• DNA is circular

• DNA is helical

• DNA is single stranded

• DNA has no exact form

Which nitrogenous base pairs up with thymine?

• guanine

• adenine

• cytosine

• uracil

Which nitrogenous base pairs with guanine?

• thymine

• uracil

• adenine

• cytosine