MCAT commonly missed questions
anion exchange
(+) residues that bind to negative substrate
anionic
(-) charged
cation exchanges
(-) residues that bind to positive residues
Glycerol
3 hydroxyl groups; backbone of triglycerides
good buffer in regards to pKa
Has a pKa within 1 pH unit of desired experimental protocols
Reducing sugars
Hemiacetal group that can undergo ring-opening with aldehyde intermediate (ex maltose, lactose, cellobiose) does not include sucrose
sp2
double bond
frequency equation
f=v/wavelength (v = velocity)
Non disjunction
failure of homologous chromosomes to separate during anaphase 1 or sister chromosomes during anaphase 2 of meiosis
conformation bias
interpreting new information as supporting one's existing beliefs (stronger in emotionally charged topics)
increase oxidation number
oxidation
social stratification
people grouped based on their power, income, social standing
periphery nation
less economically with weak governments and institutions (opposite of core nation)
resting charge of axons
negative
proactive interference
previously learned information (long term memory) interferes with learning new information
radioactive decay
radioactive nuclei decay into daughter nuclei (may or may not be radioactive)
euchromatin
readily available for transcription
sp3
single bonds
sympathetic nervous system
the 3 Fs
3200-3500
-OH stretching
cytochrome c
1 e- carrier
How to find stereoisomers
2(^n) where n=chiral centers
Purines
A and G
pyrimidines
C & T
1580-1610
C=C (conjugated or aromatic) stretching
1700-1750
C=O stretching
Energy of a photon
E=hf
Frequency equation
E=hf
catalytic efficiency
Kcat/Km
Kt
Kt equivalent to Km; substrate concentration at which the reaction rate it 1/2 of the maximal transport capacity (Jmax)
Equation for power
P=W/t
James Lanage theory of emotion
Physiological arousal precedes the emotion
Primers for PCR
Primers have high GC content and GC base pairs at 5' and 3' ends
Archimedes principle
Wair/(Wair-Wwater)
precipitation
[A][B] > K(sp)
cultural relativism
a person's beliefs, cultures, and practices should be judged against their own culture rather
microfilamints
actin
quantum number "n"
approximate radial size of e- cloud also PE of e-
relationship of temperature and resistance
as temperature increases resistance also increases
Pyruvate kinase
catalyzes ADP to ATP
protease
cleaves hydrolytic bonds in polypeptide chains
beta particle
electron
conflict theory
emphasizes social relations in regards to power, capital and status as the driving forces in society
Phosphatases
enzymes that catalyze the hydrolysis of phosphate
Fatty acid
hydrocarbon tail with carboxylic acid
anomie
lack of social norms leading to breakdown between individual and group (no group leader)
K(m)
measure of binding affinity
operationalized
measuring a phenomenon that is not directly measurable.
NADPH
reducing agent (gets oxidized and loosed e)
decrease in oxidation number
reduction
boiling point
temperature that surface pressure equals vapor pressure
Kinase
transferase (catalyzes transfer of Phosphate groups from ATP to target protein)
electrical field lines
travel from (+) to (-). Direction a (+) would go in.
V(max) on Lineweaver-Burk plot
y-intercept = (1/Vmax)
