DNA Structure and Function/ protein synthesis review

Which of the following describes the shape of DNA?

• Single Helix

• Double staircase

• Double helix

• Single ladder

Which scientist discovered the structure of DNA by taking an x ray?

• James Watson

• Rosalind Franklin

• Gregor Mendel

• Francis Crick

Which of the following is not a nucleotide base?

• Adenine

• Glucose

• Cytosine

• Thymine

How do the RNA nucleotide bases pair together?

• A pairs with U, and C pairs with G.

• G pairs with T, and A pairs with C.

• C pairs with A, and T pairs with G.

• A pairs with T, and C pairs with G.

Match the following nucleotide bases with the correct pairs.

TAGGCTATG

• ATCCGATAC

• TAGGCTAGT

• TAGGCTATG

• CGATCGTAC

During DNA replication, DNA is ...

• Altered

• Exchanged

• Copied

• Deleted

Tags

NGSS.HS-LS3-2

Which of the following is a base pair?

• Adenine - Cytosine

• Cytosine - Thymine

• Deoxyribose - Cytosine

• Cytosine - Guanine

What is the job of helicase during replication?

• To transport nucleotides to the replication fork.

• The job of helicase during replication is to unwind the DNA strands.

• To repair damaged DNA during replication.

• To synthesize new DNA strands.

Which enzyme is responsible for proofreading the DNA?

• RNA polymerase III

• Primase

• Ligase

• DNA polymerase I

What is the difference between the leading and lagging strands?

• The leading strand is synthesized continuously, whereas the lagging strand is synthesized discontinuously.

• The leading strand is synthesized in the opposite direction of the lagging strand.

• Both strands are synthesized continuously but at different speeds.

• The leading strand is synthesized in fragments, while the lagging strand is continuous.