DNA Structure & Discovery

What does DNA stand for?

• deoxyribonucleic acid

• ribonucleic acid

• dnase

Which class of organic polymers does DNA belong to?

• protein

• lipid

• nucleic acid

• carbohydrate

DNA is made of monomers or subunits called

• monosaccharides

• amino acids

• nucleotides

• fatty acids

What is the “backbone” of DNA made of?

• sugar and phosphate

• sugar and base

• phosphate and base

• sugar phosphate and base

The enzyme that separates

2 strands of DNA is called

• DNA Polymerase

• RNA Polymerase

• Zipperase

• Helicase

The enzyme that builds a new strand of DNA is called

• DNA Polymerase

• RNA Polymerase

• Topoisomerase

• Helicase

A bacteriaphage is a

• bacteria

• virus

• cell

• organism

What kind of bonds are found between nucleotides in 1 strand of DNA

• hydrogen bonds

• ionic bonds

• nucleobonds

• covalent bonds

What type of bonds are responsible for holding the 2 strands of DNA together?

• hydrogen bonds

• ionic bonds

• covalent bonds

• nucleobonds

Which of the following refers to copying DNA

• DNA Replication

• DNA Synthesis

• Transcription

• All of these are correct

• 2 of these are correct

Tags

NGSS.HS-LS3-2