GRADE 12 DNA TEST

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Tags

NGSS.HS-LS1-1

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

Nitrogenous bases are joined by which type of bond?

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

Tags

NGSS.MS-PS1-1

What sugar is in DNA?

• deoxyribose
• ribose
• oxyribose
• deoxyose

The backbone of a DNA molecule is made of which two components?

• phosphate molecules and ribose sugars
• deoxyphosphate molecules and ribose sugars
• phosphate molecules and deoxyribose sugars
• deoxyphosphate molecules and deoxyribose sugars

Which enzyme proofreads the DNA after replication to catch any mistakes?

• primase
• proof-read-ase
• DNA polymerase
• helicase

Nucleotides are made up of a sugar, phosphate, and..?

• nitrogenous base
• nucleic acid
• cholesterol
• fatty acid

A gene gives the instructions for protein synthesis. Which type of molecule is responsible for "reading"the instructions and then creating the protein?

• ATP
• RNA
• DDT
• DNA

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

Any change in the DNA is called a/an

• mistake
• exon
• mutation
• intron

Tags

NGSS.HS-LS3-2