Into to DNA Replication

Multiple Choice

A nucleotide is composed of

• A phosphate, sugar and nitrogenous base

• A protein, protein and Guanine

• A phosphate, Adenine, and nitrogenous base

• A protein, Adenine and nitrogenous base

Multiple Choice

Which of the following is a base pair?

• Adenine - Cytosine

• Cytosine - Thymine

• Deoxyribose - Cytosine

• Cytosine - Guanine

Multiple Choice

The weak bonds between base pairs is a ___

• Covalent Bond

• Polar Bond

• Non Polar Bond

• Hydrogen

Multiple Choice

Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.) 

• amino acids
• nucleotides
• fatty acids
• polysaccharides

Multiple Choice

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Multiple Choice

The enzyme that unwinds the DNA to prepare for replication

• helicase
• replicase
• polymerase
• synthase

Multiple Choice

True or False: The primase is added after the DNA polymerase?

• True

• False

Multiple Choice

DNA replication results in two DNA molecules,

• each one with two original strands
• each one with two new strands
• each one with one new strand and one original strand
• one with two new strands and the other with two original strands

Multiple Choice

True or False: The ligase is the glue for the Okazaki fragments?

• True

• False

Multiple Choice

When DNA is replicated, the result is

• 1 old double helix and 1 new

• 2 double helixes. Each with 1 old and 1 new strand

• 1 double helix

• 2 new double helixes

Multiple Choice

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication
• Translation
• Transcription

Multiple Choice

Which enzyme is responsible for adding nucleotides?

• Topoisomerase
• DNA Polymerase
• Ligase
• Primase

Multiple Choice

The picture below shows an enzyme unwinding and unzipping DNA.

​

​What is the name of this enzyme?

• DNA Helicase

• DNA Ligase

• DNA polyermase

• RNA Polymerase

Multiple Choice

If one strand of a DNA molecule has the following order of bases, what will be the correct order of bases on the complementary (matching) strand?

AATTGGCC

• AATTGGCC

• TTAACCGG

• GGCCAATT

• GACTGACT

Multiple Choice

DNA polymerase is the enzyme responsible for opening DNA for DNA replication.

• True

• False

Multiple Choice

The picture below shows the steps of DNA replication beginning with step one and ending with step three.

​Because you are reusing the old, or parent, DNA strand DNA replication is said to be

• Semi- Conservative

• Semi-discontinuous

• Continuous

• Fully-Conserveative