MCAT PRACTICE QUESTIONS AND ANSWERS 100% ACCURATEMCAT PRACTICE QUESTIONS AND ANSWERS 100% ACCURATEMCAT PRACTICE QUESTIONS AND ANSWERS 100% ACCURATEMCAT PRACTICE QUESTIONS AND ANSWERS 100% ACCURATEMCAT PRACTICE QUESTIONS AND ANSWERS 100% ACCURATE
primary structure of basic protein is formed when - ...
MCAT PRACTICE QUESTIONS AND
ANSWERS 100% ACCURATE
primary structure of basic protein is formed when - ANSWER - the amino acid
terminus of one amino acid attacks the carboxy terminus of another
what amino acid is the only one without a chiral center therefore is not optically
active - ANSWER - glycine you can tell if it all contains glycine when you know under
polarized light to determine if the whole acid is optically active or not
product of grignard reagent - ANSWER - new cc bonds
the eye cannot get the focal length long enough then the ciliary muscle cannot -
ANSWER - relax sufficiently
the image in the retina is - ANSWER - not real, reduced in size and inverted
alpha D glucose and Beta D glucose are different how - ANSWER - the hemiacetal
carbons have opposite configurations
^14C has how many neutrons and protons - ANSWER - 8 neutrons and 6 protons
rate determining steps can only involve how many molecules - ANSWER - 2
Is Ka needed in titrations - ANSWER - no
Avagadros number - ANSWER - 6.022x10^23
the amount of a substance in one mol
when G is bigger than 0 - ANSWER - non spontaneous
,Keq greater than 1 means - ANSWER - spontaneous
if torque = 0 than - ANSWER - acc = 0
More intermolecular and hydrogen bonding means ___ solubility? - ANSWER - less
Gabriel synthesis is - ANSWER - an R group with a halide that uses the halide to
connect the R group with an N that's part of a 5 member ring and then breaks off to
form NH2 connected to R; THIS REACTION DOES NOT USE NH3
Highest amino acid melting point is the amino acid that - ANSWER - is the largest
with most likely to dipole dipole
Enzymes do not effect - ANSWER - thermo of reaction
Lower left periodic table trend - ANSWER - larger the atomic radius
Upper right periodic trend - ANSWER - More Electro neg/ Ionization Energy/ Electron
affinity
Electronegativity - ANSWER - how close the atom pulls the covalent bond closer to
them
ex in H-F there is a large polar dipole towards F
electron affinity - ANSWER - affinity to steal electrons in a ionic bond
concave lense - ANSWER - diverging corrects nearsightedness (myopia can't see far
away)
convex lense - ANSWER - converging corrects far sightedness (can't see close up)
, concave mirror - ANSWER - converging
E cell and Delta G have a what relationship - ANSWER - Inverse
myopic - ANSWER - imageforms infront of retina (nearsightedness
what releases Ca 2+ in muscle contraction - ANSWER - sarco reticulum
action potential causes - ANSWER - t tubule depolarzation
t tubule depolarization cases - ANSWER - sarco reticuclm to release CA 2+
D amino acids can't be substituted for - ANSWER - L amino acids with the same
enzyme
peptide bond - ANSWER - carboxyl group of amino acid attacks the amino group of
the other
it has resonance
and is planar molecular geometry
partial double bond character
what is released in a peptide bond - ANSWER - water
cofators are - ANSWER - things that help enzymes and are not other enzymes
themselves if they are enzymes they're called coenzymes
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