DNA Vocab

Front

Nucleic acid in the nucleus responsible for traits.

Back

DNA

Front

Building block of DNA: deoxyribose sugar, phosphate group, and one of four nitrogen bases.

Back

nucleotide

Front

Twisted ladder shape of DNA

Back

double helix

Front

Nitrogen-containing molecule in a nucleotide.

Back

Nitrogen base

Front

DNA has a 1:1 ratio of pyrimidine and purine bases; guanine = cytosine, adenine = thymine.

Back

Chargaff's rule

Front

Term for two side-by-side molecules running in opposite directions.

Back

antiparallel

Front

Making an exact copy of genetic info

Back

replication

Front

Mass of genetic material made of DNA and proteins that condense to form chromosome

Back

chromatin

Front

DNA string wrapped around proteins, tightly coiled.

Back

chromosome

Front

Process where double-stranded DNA separates, each strand serves as a template for a new strand.

Back

semi-conservative replication