Biology: DNA Replication Review

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

• AGCTTG

• GATCCA

• TCGAAC

• GAUCCA

In both prokaryotes and eukaryotes, DNA replication happens

• before cell division.

• in the nucleus

• only to telomeres

• around the histones

Tags

NGSS.HS-LS1-4

What enzyme works to add DNA to ends of chromosomes in rapidly dividing cells such as those found in an embryo, to prevent genes from being lost during replication?

• DNA polymerase

• histones

• telomerase

• chromatin

What nucleotide is going to be opposite from thymine?

• adenine

• cytosine

• guanine

• uracil

During replication, what enzyme is responsible for building the complementary strand?

• histones

• nucleosomes

• DNA polymerase

• chromatin

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.

In both prokaryotes and eukaryotes, how many copies of the DNA are left after replication?

• 1

• 2

• 3

• 4

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