Unit 2 - Macromolecules

Carbon-based molecules are the foundation of _____

• life

• metals

• rocks

• plastics

Tags

NGSS.HS-LS1-5

NGSS.HS-LS1-6

Carbon-based molecules are also known as (a)   molecules.

• Organic

• Inorganic

• Biochemical

• Synthetic

Tags

NGSS.HS-LS1-6

In living organisms, large molecules called polymers are formed from a small set of repeating subunits called _______.

• monomers

• ions

• nucleotides

• enzymes

Match the carbohydrate to its function:

• chitin

• Store energy (plants)

• cellulose

• Quick energy

• sugars

• Store energy in muscles

  (animals)

• glycogen

• Fungi cell wall, insect exoskeleton structure

• starch

• Plant cell wall structure

Which carbohydrate is a major component of the plant cell wall?

• Glycogen

• Cellulose

• Chitin

• Sugars

A monosaccharide is a ________ sugar.

• single

• double

• complex

• branched

Answer explanation

"mono" means 1

"saccharide" means "sugar"

Polysaccharides are another name for ______ carbohydrates, which are large polymers.

• complex

• simple

• monomeric

• basic

Answer explanation

"poly" means many

"saccharide" means sugar

Match the following terms:

• Monosaccharide

• 
• Polysaccharide

• 
• Disaccharide

• 

Answer explanation

"mono-" means 1
"di-/bi-" means 2

"poly-" means many

Tags

NGSS.HS-LS1-5

NGSS.HS-LS1-6

NGSS.HS-LS2-5

Which of the following are examples of lipids? (Select all that apply)

• Fats, oils

• Cholesterol

• Phospholipids in cell membranes

• Glucose

Lipids are ​ (a)   molecules, so they ​do not dissolve in water.

• polar

• nonpolar

Answer explanation

• fats and oils, which are lipids, are nonpolar