DNA structure & replication

Name this structure

• double helix
• nucelotide
• twisted ladder
• hydrogen bond

Tags

NGSS.HS-LS1-1

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

DNA polymerase is a(n)

• lipid
• enzyme
• sugar
• starch

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases
• the order (sequence) of the nitrogen bases
• the color of the nitrogen bases
• the frequency (number) of nitrogen bases

Tags

NGSS.HS-LS3-1

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

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

The two strands of DNA are held together by:

• Hydrogen Bonds
• Phosphodiester Bonds
• Glycolsyl Bonds
• Glycosidic Linkages

The term used to describe DNA Replication is:

• Semi-Conservative
• Conservative
• AntiParallel
• Dispersive

Tags

NGSS.HS-LS3-2