chapter 2

Question 1

covalent bonds

Answer 1

electrons are shared

Question 2

polar covalent

Answer 2

-unequal sharing of electrons

Question 3

nonpolar covalent

Answer 3

equal sharing of electrons

Question 4

amphipathic

Answer 4

-both hydrophilic and hydrophobic properties

Question 5

ph

Answer 5

negative log of concentration of H ions

Question 6

organic

Answer 6

compound that has carbon bonded to hydrogen

Question 7

macromolecules

Answer 7

large compounds assembled from smaller subunits

Question 8

4 main macromolecules

Answer 8

-carbohydrates, lipids, proteins and nucleic acids

Question 9

carbohydrate

Answer 9

sugar and polysaccharides
-aldehyde and ketones

Question 10

carbohydrate bonds

Answer 10

glycosidic bonds

Question 11

dehydration synth

Answer 11

loss of water in a polymerization reaction
-opposite of hydrolysis

Question 12

lipids

Answer 12

-hydrophobic
-steroids, phospholipids, triglycerides (store energy)

Question 13

saturated fatty acid

Answer 13

single bonds

Question 14

primary protein

Answer 14

amino acid chain

Question 15

secondary protein

Answer 15

h bonds of peptide backbone so pleated sheet

Question 16

tertiary protein

Answer 16

3d folding pattern bc of side chain interactions

Question 17

quaternary protein

Answer 17

more than one chain of amino acids

Question 18

rna

Answer 18

single stranded
-AUCG