Mader Biology Chapter 3

In science, organic means

• to identify those molecules that contain hydrogen and carbon.

• chemical free foods.

• to identify those molecules that are non-living.

• better for you, nutritionally.

Tags

NGSS.HS-LS1-6

Steroids have a carbon skeleton of __________ fused carbon rings.

• 2

• 3

• 4

• 5

Carbohydrates ratio of carbon, hydrogen and oxygen is

• 1:2:3

• 2:3:1

• 1:2:1

• 3:2:1

When you bond two amino acids together it becomes a

• polypeptide

• peptide

• disaccharide

• lipid

The structural polysaccharide for a crab’s exoskeleton is _____________.

• chitin

• peptidoglycan

• cellulose

• starch

Which organic molecule is known as a fat?

• carbohydrate

• lipid

• protein

• nucleic acid

________________________ is a specific combination of bonded atoms that always has the same chemical properties and always reacts the same way regardless of the carbon backbone to which it is attached.

• carbon backbone

• biomolecules

• disaccharides

• functional group

A fatty acid is unsaturated if it

• contains hydrogen

• contains C-C double bonds

• contains carboxyl group

• is bound to a glycerol

The monomer for proteins are called _______.

• nucleotides

• monosaccharides

• amino acids

• glycerol and fatty acids

Tags

NGSS.HS-LS1-6

Which macromolecule is made up of simple sugars and complex sugars?

• lipids

• carbohydrates

• proteins

• nucleic acids