Day 1 Flashcards

(37 cards)

1
Q

motor proteins convert chem energy into _____ by the hydrolysis of ____

A

mechanical work by ATP, include myosin, kinesin, dynein

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2
Q

this kind of transport uses engy relased by on particle going down its elctrochem gradient to drive a different particle up

A

secondary active transport/ coupled transport

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3
Q

at high temp cholesterol ____ fluidity, by how??

A

dec, immobilizing a few methylene groups in fatty acid tails of the lipids

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4
Q

D and L are relative configuration because we compare it relatively to the configuration of glyceraldehyde. we look at it how??

A

look at the most bottom chiral center

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5
Q

S and R are ____ configuration

A

absolute

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6
Q

the regulatory enzyme for fatty acid synthesis if

A

acetyl coa carboxylase

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7
Q

subtype of epierms that differ at anomeric carbon

A

anomers

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8
Q

VLDL function is to transport fatty acids to

A

from the liver to tissues

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9
Q

dna double helix has a diameter of

A

20 angstroms - perfect when purine + pyrimidine

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10
Q

trptophan what is name of the goroup

A

indole

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11
Q

mismatch repair of dna occurs during ____ using the genes MSH2 and MLK1

A

G2 phase

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12
Q

hexokinase is inhibited by

A

G6P

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13
Q

this protein type fo integral protein and span entried membrane ex. rhodopsin

A

transmembrane proteins

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14
Q

Michael M reacion scheme is first binding of the enzyme with subtrate, then the next k2, is the catalytic rate which produces the reaction product = the seocnd is the rate limiitng step

A
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15
Q

calorimeters measure the _______________which can be used to calcuate metabolic rate

A

heat generated by organism

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16
Q

q cycle is process where electrons travel from

A

qh2 to cyctochrome c

17
Q

urea cycle connect to the cac using what compounds

A

oxoace aand fumarate

18
Q

titration curve, the ph is what axis

19
Q

orexin ____ appetite

20
Q

grehlin _______hunger

21
Q

leptin and pyy ___ hunger

22
Q

the rate limiting enzyme of the PPP

A

glucose 6 phosphat dehydrogenase produce NADPH

23
Q

urea cycel takes place in the ___ and ____ in the ____

A

cytosol and mitochon liver

24
Q

what is slope of the lineweaver

25
this issphingolipid found in animal membrane especially near the myelin sheath that surround some nerve cells
shingomyelin
26
PFK is inhibited by
atp and citrate
27
single stranded binding proteins are used to
prevent annealing
28
regions taht initate transcription of a gene and theur within ___ base pairs of the transcription start site
promoter, 25
29
2 major regulatory enzymes in gluconeogeneic are
pyruvate carboxylase and fructose 1,6 bisphosphatase
30
equivalence of a titration, ph =
pi
31
tags and fatty acids are precuroses to
phospholipids
32
this enzymes catalyzes the synthesis of therna primer
dna primase
33
gluconeogenesis takes place in the
liver, kindeys, and intestines
34
pfk is activated by
amp
35
pyruvate kinase is activated by
fructose 1,6 bisphosphate
36
____ in cell membranes provide waterproofing and defense for the cell
waxes
37