DNA Vocab and Basics

The building blocks of DNA and RNA are called

• sugar

• phosphate

• base

• nucleotide

The base pairing rules state that A pairs with

• T

• C

• G

• A

The base pairing rules state that C pairs with

• T

• C

• G

• A

The three parts of a________ are

nitrogen base, phosphate, sugar

• nucleotide

• gene

• chromosome

• protein

The two DNA strands are held together by

• bases

• hydrogen bonds

• proteins

• acids

What is the shape of the DNA molecule?

• staircase

• double helix

• hot air ballon

• an "X"

The sides of a nucleotide are made of what 2 parts?

• Protein and Phosphate

• Sugar and Acid

• Base and Sugar

• Sugar and Phosphate

What is the name of sugar that makes DNA

• ribose

• deoxyribose

• glucose

• denatured

Where are the nitrogen bases found in the structure of the twisted ladder of DNA?

• Sides

• Middle

• Top

• Bottom

What is the only reason DNA would "unzip" down the middle?

• Replicate or copy

• Move out of the nucleus

• Fight disease