High-Yield: amino acids, kinetics, etc. Flashcards

1
Q

is the concentration of substrate at which the experiment reaches half the Vmax

A

Km

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2
Q

catalytic efficiency=

A

Kcat/Km

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3
Q

the bond that links monosaccharides together in an oligosaccharide is an acetal linkage known as a

A

glycoside bond

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4
Q

Delta G=

A

Delta H-TdeltaS

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5
Q

this amino acid doesn’t contain a site for potential hydrogen bonding

A

Alanine (Ala,A)

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6
Q

is used to describe the rate-limiting step of catalysis under saturating conditions of substrate

A

Kcat

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7
Q

The traditional Michaelis-Menten kinetics describes a _____ dependence of V0 on substrate concentration

A

hyperbolic

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8
Q

The presence of an ______ inhibitor results in a lower apparent Km and Vmax of the enzymatically catalyzed reaction

A

uncompetitive

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9
Q

____ is a weakening of the signal. This is due to absorption, refraction, and scattering or defraction.

A

Attenuation

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10
Q

this makes the signal stronger

A

Amplification

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11
Q

The human range of hearing is from ____ Hz to ____kHz

A

20 Hz to 20 kHz

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12
Q

Anything greater than 20 kHz qualifies as

A

ultrasound

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13
Q

Conversion of pyruvate into glucose requires enzymes present in the _____ and the ______

A

mitochondria and the cytosol

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14
Q

enzymes that digest lipids (fats)

A

lipase

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15
Q

Which form do most dietary fats originally exist in?

A

triglycerides

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16
Q

straight-chain alkane formula

A

CnH2n+2

17
Q

straight chain alkene formula

A

CnH2n

18
Q

straight chain alkyne formula

A

CnH2n-2

19
Q

Increasing the temperature will _____ the rate of the reaction

A

increase

20
Q

at physiological pH (7.35):
D and E will have a charge of __
Valine will have a charge of ___
L, R, and H will have a charge of ___

A

-1
0
+1

21
Q

a smaller pKb value corresponds to a ____ base

A

stronger

22
Q

Sodium hydroxide is a

A

strong base (so it’s pH should be higher than 7 towards 14)

23
Q

Sodium bicarbonate (NaHCO3) is an example of an

A

amphiprotic species

24
Q

in a heat engine system, the useful work is done by the

A

engine

25
Q

efficiency of an engine:

A

n=1-(Qc/Qh)

26
Q

1 Joule=

A

m^2 x kg

27
Q

1 Kelvin=

A

s^2 x K

28
Q

For a pure compound, the Melting point range will be:

A

narrow

29
Q

What do impurities in a compound do to the melting point range?

A

It will lower and broaden the melting point range

30
Q

typical adsorbents are highly polar, so eluting strength increases with ___ solvent polarity

A

increasing

31
Q

Impulse=

A

P= m x a x t

32
Q

H3PO4

A

phosphoric acid

33
Q

How can we find normality?

A

It can be calculated by multiplying the molarity of the solution by the # of protons per molecule of acid

34
Q

Pyrrole is _____ based

A

nitrogen-based

35
Q

ROYGBIV

A

red starts around 700nm and yellow is around 600 nm. Blue starts around 500nm and purple is around 370nm