BSC2010c - Ch.5

large molecules

macromolecules

repeating subunits used to build substances

monomers

large molecules consisting of many repeating subunits of monomers

polymers

To disassemble a polymer the water is added and the molecule separates.

hydrolysis

subunits are joined together by ________
a molecule of water is removed to join them

condensation synthesis

sugars
many are polymers

carbohydrates

C1 H2 O1 or some multiple thereof C6 H12 O6

monosaccharides

consist of two monomers joined by a glycosidic linkage

disaccharides

Starch in plants
glycogen in animals- more structurally branched

storage polysaccharide

Cellulose- major plant cell wall component

structural polysaccharide

fat =

lipid

non-polar macromolecules; not water soluble

lipids

Are lipids hydrophobic or hydrophilic?

hydrophobic

building blocks of protein

amino acid

How many amino acids are there?

20

How many amino acids are essential to life?

9

many amino acids joined together

polypeptides

function of an amino acid depends on...

chemical structure
unique 3D shape

What makes each amino acids unique?

R" box

How do you connect amino acids?

condensation synthesis

What forms to hold the amino acids together at the first level?

peptide bond

What protein structure level forms the unique sequence of amino acids?

Primary

What happens in the secondary protein structure level?

coiling /folding as a result of hydrogen bonding

What are the two forms of protein folding?

Alpha helix and Beta pleated

The tertiary level forms what?

3D shapes from the bonding of R groups

association of 2 or more polypeptides

Quaternary structure

What folds polypeptides?

chaperonin

What is denaturation

the protein structure is destroyed

What causes denaturation?

heat
pH
chemicals
Salt concentrations

proteins used to speed up chemical reactions

Enzymes / Catalyst

What do nucleic acids do?

store and carry information

carries all codes for life; double stranded

DNA

What synthesizes proteins?

RNA

What makes up a nucleic acid?

Nitrogenous Base
5 Carbon sugar
Phosphate group

What is a nitrogenous base?

AT GC

What macromolecule could be made from H, C, NH2,COOH, R

amino acid

CH

lipid

CHO

carbohydrate

CHON

amino acid

CHONP

nucleic acid