water, ph and amino acids

Question 1

is water polar or non polar

Answer 1

polar

Question 2

what creates a poalrized bond

Answer 2

a covalent bond between hydrogen and a more electronegative atom e.g oxygen

Question 3

what are hydorgen bonds shared between

Answer 3

two electronegative atoms

Question 4

hydrophobic

Answer 4

non poalr

Question 5

hydrophilic

Answer 5

polar
water loving

Question 6

are hydrocrabons polar or non polar

Answer 6

non polar

Question 7

amphipathic

Answer 7

hydrophobic and philic molecules

Question 8

what do amphipathich molecules form

Answer 8

micelles
head iin contact with water
tail sequestred from water

Question 9

what are alpha carbons bonded to in amino acids

Answer 9

amino group; nh2
carboxyl group; cooh
hydrogen;h
side chain; r

Question 10

are peptide bonds strong or weak

Answer 10

strong

Question 11

acids

Answer 11

donate a proton - hydrogen ion, H+)

Question 12

bases

Answer 12

proton acceptors

Question 13

ph

Answer 13

measuremnt of the maount of protons in a solution

Question 14

ph <7

Answer 14

acidicp

Question 15

ph >7

Answer 15

alkali; basic

Question 16

henderson hasselbach equation

Answer 16

caclulates ph of a bufer

Question 17

buffer

Answer 17

solution to control the ph of a reaction mixture

Question 18

ph at which a molecule has. no net charge

Answer 18

isoelectric point

Question 19

what do differences in the electronegative properties of atoms in water molecules create

Answer 19

dipole

Question 20

what do dipoles pormote

Answer 20

hydrogen bond interactions