Biology Final Exam Speed Review For Seniors

During DNA replication, a DNA strand that has the bases CTAGGT produces a strand with the bases:

• AGCTTG

• GATCCA

• TCGAAC

• GAUCCA

What nucleotide is going to be opposite from thymine?

• adenine

• cytosine

• guanine

• uracil

In eukaryotes, DNA

• is located in the nucleus

• floats freely in the cytoplasm

• is located in the ribosomes

• is circular

DNA replication results in two DNA molecules,

• each with two new strands.

• one with two new strands and the other with two original strands.

• each with one new strand and one original strand.

• each with two original strands.

What type of sugar is in DNA?

• glucose

• lactose

• deoxyribose

• ribose

Which of the following forms a base pair with guanine?

• uracile

• cytosine

• thymine

• adenine

What type of bonds hold the two nitrogen base pairs together in the middle of DNA?

• ionic

• polar

• hydrogen

• covalent

To begin DNA replication, we first need to unzip the double helix ladder of DNA. What enzyme is responsible for unzipping the DNA strands?

• histones

• DNA helicase

• DNA polymerase

• chromatin

Where in the cell does transcription occur?

• Vacuole

• Nucleus

• Cytoplasm

• Cell Membrane

Where in the cell does translation occur?

• Vacuole

• Nucleus

• Cytoplasm

• Cell Membrane