DNA Structure and Function Review

Front

DNA is short for _____

Back

Deoxyribonucleic Acid

Front

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

Back

deoxyribose (sugar) and phosphate

Front

How many different types of blocks are needed to build a DNA model with all 4 nucleotides?

Back

6

Front

A nucleotide is composed of _____

Back

A phosphate, sugar and nitrogenous base

Front

The weak bonds between base pairs is a ___

Back

Hydrogen Bond

Front

What are the four nitrogenous bases in DNA?

Back

Adenine, Thymine, Cytosine, Guanine

Front

What type of bond connects the sugar and phosphate in a nucleotide?

Back

Covalent Bond

Front

What is the shape of the DNA molecule?

Back

Double helix

Front

What is the function of DNA?

Back

To store and transmit genetic information

Front

What is the role of hydrogen bonds in DNA?

Back

They hold the two strands of DNA together by connecting base pairs.