DNA and RNA

What does DNA stand for?

• Deoxyribonucleic acid

• Deoxyribose nucleic acid

• Dinucleic acid

• Deoxynucleic acid

DNA is a large, complex molecule found in all living things.

• True

• False

Tags

NGSS.HS-LS1-1

What does DNA contain?

• Water

• Instructions or genetic information

• Proteins

• Carbohydrates

Tags

NGSS.HS-LS3-1

How many strands make up a DNA molecule?

• Two

• One

• Three

• Four

The strands of DNA are made of subunits called ________.

• nucleotides

• amino acids

• fatty acids

• monosaccharides

A nucleotide is composed of how many parts?

• 3

• 2

• 4

• 5

Which of the following is NOT a part of a nucleotide?

• Nitrogenous base

• Sugar

• Phosphate group

• Protein

Refer to the diagram. Which part of the nucleotide is labeled as the red pentagon?

• Phosphate group

• Sugar

• Base

The "sides of the ladder" in DNA consist of alternating sugar and ________ group.

• phosphate

• adenine

• thymine

• guanine

Tags

NGSS.HS-LS1-1

One nucleotide in a DNA strand consists of:

• a sugar, a phosphate group, and a nitrogenous base

• two sugars and a phosphate group

• a sugar and two nitrogenous bases

• a phosphate group and two sugars

Tags

NGSS.HS-LS1-1