DNA Structure

Front

Which of the following best describes a DNA molecule? Options: double helix, contains ribose, made of amino acids, contains Uracil

Back

double helix

Front

Why is DNA important?

Back

it serves as the blueprint for traits of all living things

Front

Which 2 molecules form the sides (backbone) of the DNA ladder? Options: deoxyribose sugar and adenine, deoxyribose sugar and a hydrogen bond, deoxyribose sugar and the nucleus, deoxyribose sugar and phosphate

Back

deoxyribose sugar and phosphate

Front

Nitrogenous bases are joined by which type of bond? Options: polar bonds, ionic bonds, covalent bonds, hydrogen bonds

Back

hydrogen bonds

Front

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

Back

deoxyribose (sugar) and phosphate

Front

What are the three components of a nucleotide? Options: sugar, hydrogen, nitrogen base, sugar, oxygen, nitrogen base, sugar, phosphate, nitrogen base, sugar, phosphate, protein

Back

sugar, phosphate, nitrogen base

Front

Cytosine always pairs with

Back

Guanine

Front

Name this structure: double helix, nucelotide, twisted ladder, hydrogen bond

Back

nucelotide

Front

Which organelle is DNA usually found in? Options: cell membrane, vacuole, ribosome, nucleus

Back

nucleus

Front

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

Back

nitrogenous base