Biochemistry Flashcards
1
Q
which of the following is not an essential amino acid? phenylalanine tyrosine leucine lysine
A
tyrosine
private Tim hall
2
Q
which of the following is not aromatic? phenylalanine tyrosine tryptophan threonine
A
threonine
3
Q
which of the following is not a branched chain? valine leucine isoleucine lysine
A
lysine
VIL
4
Q
which of the following has a negative charge at a neutral ph? aspartame histidine arginine lysine
A
aspartame
HAL
5
Q
tryptophan is responsible for making which of the following? niacin melanin dopamine tyrosine
A
niacin
6
Q
phenylalanine can convert in to which of the following? tyrosine tryptophan histamine dopamine
A
tyrosine
ORDER
7
Q
a protein structure is what type of bond? carbon nitrogen sulfur oxygen
A
carbon
8
Q
cystine is produced from which of the following? purine phenylalanine methionine glutathione
A
glutathione
9
Q
which of the following contains 2 or more polypeptides chains linked together?
quaternary structure
tertiary
A
quaternary structure
10
Q
competitive inhibitors are responsible for \_\_\_? increasing km decreasing km increasing vmax decreasing vmax
A
increasing km
11
Q
which of the following does not have the same structure but can be used as an enzyme? allosteric isomer polymer enantiomer
A
allosteric
12
Q
a deficiency of niacin can lead to \_\_\_\_? pellagra beri-beri B1 scurvy c cheilosis B2
A
pellagra (B3)
13
Q
which of the following vitamin aids in coenzyme A reaction? B1 B3 B5 B12
A
B5
14
Q
which of the following vitamins is needed to form pyridoxal phosphate? B5 B6 B7 B9
A
B6
15
Q
a deficiency of \_\_\_ will lead to megaloblastic anemia? B1 B6 B9 B12
A
B9
pernicious anemia (B12)
