DNA - structure & replication flashcard

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

Which units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.) Options: amino acids, nucleotides, fatty acids, polysaccharides

Back

nucleotides

Front

Adenine bonds with ______________.

Back

Thymine

Front

Guanine bonds with ______________.

Back

Cytosine

Front

Why is DNA important?

Back

it serves as the blueprint for traits of all living things

Front

What are the 4 nitrogen bases? Options: adenine, thymine, cytoplasm, and guanine, adenine, thymine cytosine, and guanine, adenine, thymine, cytosine, and gylcerol, adenine, thymine, cytosine, and glucose

Back

adenine, thymine, cytosine, and guanine

Front

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

Back

deoxyribose (sugar) and phosphate

Front

A process in which DNA has the unique ability to make an exact copy of itself.

Back

Replication

Front

Nitrogenous bases are joined by which type of bond?

Back

hydrogen bonds

Front

DNA replication results in two DNA molecules, each one with one new strand and one original strand.

Back

each one with one new strand and one original strand