DNA Discovery Structure and Function

The sides of the double helix

• sugar phosphate

• nucleotides

• nitrogen bases

What does DNA stand for?

• Deoxyribonucleic acid

• Denitrogenous acid

• Deribonucleic acid

• Diribonucleic acid

a change in the nucelotide-base sequence of a gene or DNA molecule

• nucleotide

• DNA

• RNA

• mutation

Tags

NGSS.HS-LS3-2

What is the percentage of T?

• 22%

• 11%

• 28%

• 50%

What kind of molecule is DNA?

• carbohydrate

• lipid

• protein

• nucleic acid

Tags

NGSS.HS-LS1-1

What does DNA stand for?

• dextrose nucleic acid

• double nucleic acid

• deoxyribonucleic acid

• dinucleic acid

Tags

NGSS.HS-LS1-1

What is the monomer (building block) of a DNA molecule?

• fatty acid

• nucleic acid

• nucleotide

• amino acid

Tags

NGSS.HS-LS1-1

What sugar is found in a nucleotide of DNA?

• glucose

• dextrose

• ribose

• deoxyribose

What makes up the "backbone" of a single DNA strand?

• phosphate and sugar

• sugar and nitrogenous base

• phosphate and nitrogenous base

• ribose and deoxyribose

Tags

NGSS.HS-LS1-1

What kind of bonds help hold together the sugar-phosphate backbone of a DNA strand?

• covalent bonds

• hydrogen bonds

• ionic bonds