Disease and DNA Replication Review

What does DNA replication mean?

• DNA is made.

• DNA makes new cells.

• DNA copies itself.

• DNA starts the cell cycle.

What are the nucleotides made of?

• Sugar, Phosphate, nitrogen base
• Phosphate, Adenine, nitrogen base
• Thymine, Adenine, Cytomine
• Phosphate, Nitrogen, Adenine

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

The two strands of nitrogenous bases in DNA are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

Tags

NGSS.HS-LS1-1

If a DNA molecule consists of 29% Guanine, how much cytosine will it contain?

• 29%
• 58%
• 21%
• 50%

A strand of DNA that looks like a twisted ladder is called a _____________________

• triple twist
• corkscrew
• double helix
• chain reaction

Tags

NGSS.HS-LS1-1

What will the matching sequence be on a strand that reads AAGCTAT?

• AACGATA
• TTCGTTA
• CCTGATA
• TTCGATA

Which 2 molecules forms the sides (backbone) of the DNA ladder?

• deoxyribose and adenine
• deoxyribose and a hydrogen bond
• sugar and the nucleus
• deoxyribose (sugar) and phosphate

The sugar in DNA is ?

• sucrose
• glucose
• deoxyribose
• fructose

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine