U5L3E2: DNA Structure

What is the base that pairs with Thymine in DNA?

• adenine

• guanine

• helicase

• nucleotide

What is the shape of DNA?

• DNA polymerase

• nucleotide

• double helix

• single stranded

Which is the correct complementary base pairing for DNA?

• C-G, U-A

• A-G, C-T

• C-A, T-G

• T-A, G-C

If DNA is thought of as a ladder, which parts of DNA are the steps of the ladder?

• the nitrogenous base pairs

• the phosphate-sugar backbone

• the phospholipid bilayer

• the genes

What does DNA stand for?

• diribonucleic acid

• deribonucleic acid

• deoxyribonucleic acid

• denitrogenous acid

DNA is a polymer of...

• purines

• nucleotides

• ribosomes

• pyridimines

Why is DNA important?

• it is something we eat for energy every day

• it is a powerful pollutant

• it serves as the blueprint for traits of all living things

• it is the same in everyone

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

• TTCGGG

• TTCGATA

• AACGATA

• CCTGATA

What are the 3 components of a nucleotide?

• sugar, phosphate, nitrogenous base

• sugar, hydrogen, nitrogenous base

• sugar, phosphate, protein

• sugar, oxygen, nitrogenous base

DNA codes for...

• bases

• amino acids

• phosphorus

• proteins