Chapters 2-5

Question 1

Polar molecuale

Answer 1

opposite ends have different charges

Question 2

Cohesion

Answer 2

force of hydrogen bonds sticking together

Question 3

Adhesion

Answer 3

the clinging of one substance to another substance

Question 4

surface tension

Answer 4

measure of how difficult it is to stretch or break the surface

Question 5

Specific Heat

Answer 5

Amount of heat that must be absorbed or lost for 1g of that substance to change it’s temp 1 celsius

Question 6

Heat of vaporization

Answer 6

quantity of heat a liquid must absorb for 1g of it to be converted to the gaseous state

Question 7

Colloid

Answer 7

substance that is hydrophilic but does not dissolve

Question 8

Reason why hydrophobic bonds do not attach to water

Answer 8

non polar bonds between molecules

Question 9

What is a hydroxide bond?

Answer 9

OH-

Question 10

Buffers

Answer 10

biological fluids that maintain PH levels

Question 11

Structural Isomers

Answer 11

Differ in covalent arrangement

Question 12

Enantiomers

Answer 12

molecules that are mirror images of each other

Question 13

4 macro molecules

Answer 13

Carbohydrates, proteins, nucleic acids

Question 14

Glycosidic link

Answer 14

dehydration bond between two monosaccharides

Question 15

Difference between cellulose and starch

Answer 15

Glucose molecules are in a configuration, cellulose is in b configuration

Question 16

Chitin

Answer 16

exoskelton of cellulose

Question 17

Triacyglycerol

Answer 17

one glycerol molecule with three fatty acid chains attached to it

Question 18

In phospholipids, the head is ___ and the tail is ____

Answer 18

hydrophilic, hyrophobic

Question 19

Six functions of protein

Answer 19

enzymes, support, transport of substances, coordination of an organisms activities, movement, defense against diseases

Question 20

Peptide bond

Answer 20

bond between two amino acids

Question 21

denaturation

Answer 21

unraveling of protein

Question 22

Chaperonins

Answer 22

cantene like protein that folds polypeptides