Biochem Exam 1 Word Scramble
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Question | Answer |
Alanine | A |
Cysteine | C |
aspartic acid | D |
phenylalanine | F |
glycine | G |
histidine | H |
isoleucine | I |
Lysine | K |
Leucine | L |
Methionine | M |
Asparagine | N |
Proline | P |
Glutamine | Q |
Arginine | R |
Serine | S |
Threonine | T |
Valine | V |
Tryptophan | W |
Tyrosine | Y |
Glutamine | Z |
Hydrophobic Amino Acids | glycine (G), alanine (A), proline (P), valine (V), leucine (L), isoleucine (I), phenylalanine (F), tyrosine (Y), tryptophan (W), methionine (M) GAPVLIFYWM |
Branched chain Amino Acids | valine (V), leucine (L), isoleucine (I) VLI |
non polar & hydrophobic amino acids | glycine (G), alanine (A), proline (P), valine (V), leucine (L), isoleucine (I), phenylalanine (F), methionine (M) |
polar, uncharged amino acids | serine (S), threonine (T), tyrosine (Y), tryptophan (W), asparagine (N), glutamine (Q) STYWNQ |
polar, uncharged OH groups and phosphorylate | serine (S), threonine (T), tyrosine (Y) STY |
n-side chain | glycosylation |
negatively charged amino acids | aspartate (D), glutamate (E) DE |
backbone of Amino acids | alpha carbon + amino group + carbonyl group |
positively charged basic molecules: | arginine (R), lysine (K), histidine (H) RKH |
3 protein families | globular, fibrous, membrane spanning |
in hemoglobin, iron can be | ferric (3+) or ferrous (2+) |
heme binds oxygent | ferrous (2+) |
primary hemoglobin in adults | HbA |
fetal hemoglobin binds more readily to | carbon monoxide |
if delta G is positive, amino acids remain | in hydrophobic side |
if delta G is negative, amino acids migrate | into aqueous solution |
What is the H+ concentration in a urine sample that has pH of 6 | 10^-6M |
weak acids are | incompletely dissociated in solution |
how many equivalents of base need to be added to an acid soution for the PH to equal the pKa | 0.5 |
what is the best buffering range of the monoprotic acid MOPS, pka = 7.2 | pH 6.5-8.5 |
due to the side group steric clash, almost all peptide bonds are | trans |
which residues are most likely found in turns? | R, G, D |
which residues are most likely to be found in DNA binding helixes? | K,R,Q |
which residues are most likely to be found on the inside surface of a porin? | K,S,Q |
Which amino acid is redox active? | C |
which residues are most likely to be found on the inside surface of a protein? | M,L,F |
changes in what level of structure are responsible for creating amyloid fibers? | secondary |
what is a critical feature of the Michaelis-menten model of enzyme catalysis? | formation of an ES complex |
at pH=8 mutation of histidine to which amino acid would be conservative? | N |
In competitive inhibition, what does the inhibitor do? | it binds reversibly at the active site |
in uncompetitive inhibition, what does the inhibitor do? | it binds only to the ES complex |
in non competitive inhibition, what does the inhibitor do? | it lowers the characteristic V max of the enzyme |
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