Biology Review

Which of the following will pair with Cytosine?

• Thymine

• Guanine

• Adeine

During DNA replication, the DNA molecule produces _________ (how many?) new complementary strands.

order of replication

• 3, 2, 1, 4
• 2, 1, 4, 3
• 2, 3, 1, 4
• 3, 4, 1, 2

Based on the diagram, the enzyme (represented in gray) is most likely...

• DNA polymerase
• DNA Ligase
• Nuclease
• Helicase

This picture is illustrating the ____ nature of DNA.

• anti-parallel
• deoxyribosic
• helical
• radioactive

Replicate the following strand of DNA: 
AATCATGGA

• AATCATGGA
• TTAGTACCT
• UUAGUACCU
• GGATAUCUA

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

What does NOT happen during interphase?

• growth
• DNA replication 
• obtaining nutrients
• cell divison

Cells of organisms must go through cell division for?

• growth

• repair of damaged cells

• replacement of dying cells.

• All of these

True or False:
Normal cells grow and divide continuously.

• True
• False