Central Dogma Review

What opens the two strands of DNA during replication?

• Ligase

• Polymerase

• Helicase

• Amylase

According to Chargaff's rule, if there were 30 "A's" then there would be how many "C's"?

• 15

• 30

• 60

• 90

What enzyme is used to copy a piece of DNA

• Polymerase

• Helicase

• Lipase

Which of the following forms the steps or rungs of the DNA molecule?

• Deoxyribose

• Ribose

• Nitrogen Bases

The structure of DNA resembles a twisted ladder, also known as a double (a)   .

Select all possible answers:

The "backbone" of the DNA molecule consists of what molecules?

• phosphate

• nitrogen bases

• ribose

• deoxyribose

Tiny particles that contain DNA but lack other characteristics of living cells are ____.

• viruses

• bacteria

• algae

• freshman

What contains the instructions for making a protein that are later carried by RNA?

• RNA

• Ribosomes

• DNA

• All of the above

Tags

NGSS.HS-LS1-1

Which of the following is true about DNA?

• DNA is made of long chains of amino acids.

• DNA contains the genetic information that determines the characteristics of an organism.

• DNA is involved in the third part of the central dogma.

• DNA travels to the cytoplasm.

DNA and RNA are both organic molecules called _______ _______.

(a)