Quiz 7a Flashcards
LACKS isolectric pH conversion and structure
a typical cell has almost a dozen different proteins
false
salt bridges are actually ionic bonds
true
a disulfide bond is the strongest of the side chain interactions
true
hair permanents involve destroying and then creating new disulfide bonds
true
in sickle cell anemia the hemoglobin molecule is not a sphere like normal hemoglobin
true
in electrophoresis using a buffer with pH 6.0 aspartic acid would move to the + electrode
true
most amino acids found in nature are L amino acids
false
anti-diuretic will reduce the amount of water excreted
true
the peripheral proteins in cell membrane are used to make protein channels
false
an accidental replacement of one wrong amino acid in the primary structure of a protein can cause major physiological changes
true
how many different tetra peptides can be formed from
tyrosine, alanine, and valine
81
3x3x3x3
which level of protein structure does NOT involve hydrogen bonding
primary
which amino acids would be found only on the INSIDE of a globular protein
amino acids with non-polar side chains
which is the smallest
enzyme, vasopressin, glucagon, immunoglobulins
vasopressin
which is the largest
typical enzyme, oxytocin, insulin, immunoglobulin
immunoglobulin
hydrogen bonding of the “O” in the amide and the “H” from the nitrogen backbone
2
B sheets
2
disulfide bonding
3
salt bridges
3
amino acid sequencing
1
more than one polypeptide chain linked together
4
hydrophobic interaction
3
charge on glutamic acid at 6.0 pH
-1
charge on glutamic acid at
pH 13
-2
charge on glutamic acid at
pH 3.2
0
glutamine and lysine
hydrogen bonding
isoleucine
proline
hydrophobic interaction
cysteine
cystein
disulfide bonds
glutamine
arginine
hydrogen boding
an ionic interaction
salt bridges
arginine
glutamic acid
salt bridge
serine
tyrosine
hydrogen bonding
contains an actual covalent bond
disulfide bonds
polypeptide used to induce labor and lactation
oxytocin
what protein is found in HDL and LDL
serum globulins
protein used to store oxygen in heart muscles (humans) and marine mammal muscles
myoglobin
lipid in egg yolk
lecithin
protein in egg whites
albumin (egg)
ovalbumin
carbohydrate in milk
lactose
protein in milk
casein
polypeptide that promote water retention
vasopressin
the protein used to transport fatty acids
serum albumins
the steroid hormone that promotes water retention
aldosterone
the polypeptide involved in the “bonding” of mother and newborn
oxytocin
what protein is used to store iron in the spleen
ferritin
other name for antibodies
immunoglobulins
