DNA/RNA Review

How many nucleotides equal 1 amino acid?

• 1

• 2

• 3

• 4

TRANSCRIBE this DNA sequence: TACGTTACT

• AUGCAAUGA

• ATGCAATGA

• AUGGATUGA

• TACGTTACT

A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?

• carbohydrates
• nucleic acids
• lipids
• proteins

Which of the following best describes how DNA and RNA are similar?

• they both contain A and T
• They both have a double helix
• They are both composed of 5 different nucleotides
• they both have C and G

Choose the nucleotide sequence of the RNA strand that would be complementary to the following strand: 
GTAGTCA

• UATUAGA
• ACGACTG
• CAUCAGU
• CATCAGT

In RNA, Uracil pairs with ______. 

• cytosine
• adenine
• guanine
• thymine

What are the backbones (sides) of the DNA structure made up of?

• repeating phosphates and sugars
• nitrogen bases
• nucleotides
• adenine and thymine

Which of the following is not a base found in DNA?

• adenine
• thymine
• cytosine
• uracil

Once replication in a DNA molecule is complete, each new DNA molecule contains 

• two new strands.
• 3 exact copies of strands.
• one new strand and one old.
• two old strands.

Which enzyme copies DNA?

• DNA polymerase
• DNA helicase
• RNA polymerase
• RNA helicase