Unit 2 Chemistry of Life

A carbohydrate that makes up the exoskeleton of insects.

• cellulose

• glucose

• chitin

• starch

Cell membranes are made up of a type of lipid called a ___.

• phospholipid

• nitrolipid

• fatty acid

• glycogen

Which of these is an primary energy source for living things?

• carbohydrates

• lipids

• nucleic acids

• proteins

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

The monomer of this macromolecule is an amino acid.

• protein

• carbohydrate

• lipid

• nucleic acid

Tags

NGSS.HS-LS1-1

This macromolecules carries genetic information.

• carbohydrates

• lipids

• proteins

• nucleic acids

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This macromolecule makes up things like bread, pasta, and sugars.

• carbohydrates

• proteins

• lipids

• nucleic acids

The monomer of is macromolecule are fatty acids and glycerol.

• carbohydates

• lipids

• proteins

• nucleic acids

The fact that water cools as it evaporates is one reason why...

• dogs pant

• humans sweat

• pigs roll in the mud

• all of these

Tags

NGSS.HS-LS1-3

All organic molecules contain

• carbon

• phosphorus

• nitrogen

• chlorine

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Enzymes are

• proteins that speed up reactions

• lipids that slow down reactions

• carbohydrates that speed up reactions

• nucleic acids that slow down reactions