HHB 1.2 DNA Structure & Replication Flashcards

Front

A DNA nucleotide consists of the following...

Back

Deoxyribose sugar, base, phosphate

Front

In DNA the complementary base pairs are

Back

A-T and C-G

Front

The part of the strand of DNA consisting of strong chemical bonds between the phosphate of one nucleotide and the sugar on another nucleotide in a DNA strand is known as

Back

sugar - phosphate backbone

Front

Type of bonds that hold the base pairs of the 2 DNA strands together

Back

Hydrogen bonds

Front

The 2 parallel strands that make up a DNA molecule run in opposite directions

Back

Anti-parallel

Front

Term that describes the fact that one strand of DNA goes from 5’ to 3’ and the opposite strand goes from 3’ to 5’

Back

Antiparallel

Front

Substance found at the 5' end of the DNA molecule

Back

Phosphate

Front

Substance found at the 3' end of the DNA molecule

Back

Deoxyribose sugar

Front

When DNA makes an exact copy of itself

Back

DNA replication

Front

DNA replication takes place

Back

Prior to cell division (mitosis)