questions got wrong

Question 1

the connection of fatty acids to albumin is through which type of bond

Answer 1

non-covalent bond

Question 2

where does beta-oxidation occur

Answer 2

in the mito matrix

Question 3

the primary structure of a protein determines the

Answer 3

overall 3-D shape of a protein

Question 4

chylomicrons have the

Answer 4

lowest protein density and the highest lipid content

Question 5

enzyme activity is influenced by

Answer 5

Ph, temperature, and substrate concentration

Question 6

what vitamin do eyes rely on

Answer 6

vitamin A

Question 7

enzymes do what

Answer 7

lower the activation energy and increase the rate of the forward and reverse reaction

Question 8

liquid chromatography reveals

Answer 8

different effusion rates due to the separation by size

Question 9

how does hemoglobin bind oxygen

Answer 9

positive cooperative binding

Question 10

fructose cannot be in the initial reactions of

Answer 10

glycolysis

Question 11

fructose, galactose, and glucose are all

Answer 11

hexose sugars

Question 12

lipid synthesis occurs in the

Answer 12

endoplasmic reticulum

Question 13

fatty acid synthesis occurs in the

Answer 13

cytosol

Question 14

any gluconeogenic precursor must contain

Answer 14

a three carbon backbone

Question 15

involuntary smooth muscles of the GI tract are unable to

Answer 15

synthesize glycogen

Question 16

main site of gluconeogenic function

Answer 16

the liver

Question 17

where does the pentose phosphate pathway occur

Answer 17

in the cytoplasm

Question 18

what is the function of the pentose phosphate pathway

Answer 18

to produce NADPH and ribose-5’ phosphate

Question 19

what is NADPH used for

Answer 19

reductive biosynthesis and protection against oxidative damage

Question 20

what is ribose-5’ phosphate necessary for

Answer 20

DNA synthesis

Question 21

All oxidative branches of the Pentose phosphate pathway are

Answer 21

irreversible

Question 22

what is the starting point in the oxidative branch of the PPP

Answer 22

Glucose-6-phosphate

Question 23

when ribose-5-phosphate is needed what is converted

Answer 23

ribulose-5-phosphate will be converted

Question 24

what happens to ribose-5-phosphate when it is not needed

Answer 24

it must be converted to glycolysis-necessary compounds

Question 25

what is the most important component for blood clotting

Answer 25

fibrin while platelets and plasmin are also important fibrin is the most

Question 26

isozymes

Answer 26

are substances that catalyze the same reaction but have different structures

Question 27

London dispersion interactions are an example of

Answer 27

induced dipole bonds

Question 28

if a bond is nonpolar than it must have what interactions

Answer 28

induced dipole-induced dipole interactions

Question 29

prochiral

Answer 29

are those molecules that can be converted from chiral to achiral in one step

Question 30

what is the rate limiting step of DNA replication

Answer 30

time needed for the polymerase to clamp on

Question 31

endopeptidases

Answer 31

are specific enzymes that cleave peptides at a particular point

Question 32

exopeptidases

Answer 32

cleave at the ends of peptides

Question 33

paper chromatography

Answer 33

will have the nonpolar substance travel further than the polar substance

Question 34

sedimentation coefficient

Answer 34

ribosomes make subunits that include the sedimentation units such as 30S, 40S etc.

Question 35

mg2+ in polymerization acts as a

Answer 35

catalyst

Question 36

hemoglobin displays cooperativity that is

Answer 36

greater than 1 on the hill coefficient

Question 37

hill coefficient displays

Answer 37

cooperativity with 1 being positive cooperativity and -1 being negative cooperativity and 0 having no cooperativity

Question 38

protein digestion occurs in

Answer 38

the stomach with pepsin

Question 39

a barr body is the

Answer 39

inactivation of one of the x chromosomes

Question 40

maternal imprinting

Answer 40

means that the gene inhereted from the mother is not passed on or expressed. (inactive)

Question 41

what does glucose require to go across the membrane

Answer 41

GLUT transporter