Can you help me with the following questions I missed on my midterm 13. When con
ID: 989987 • Letter: C
Question
Can you help me with the following questions I missed on my midterm
13. When converting a fischer projection to a hayworth projection where are all of the substituants on the right side of the carbon skeleton drawn in the hayworth projection
a)down
b) down in a anomer up in b anomer
c) up
d)up in a anomer down in b anomer
17. why are humans not able to digest cellulose
a) humans do not posses the enzyme needed to hydrolyze the 1-4-a glycoside linkages
b)humans can digest cellulose but not glucose
c) humans do not posses the enzyme needed to hydrolyze 1-4 b gglycoside linkages
d) humans do not posses the enzyme needed to unwind the a-helices
21. One way an enzyme can accelerate a chemical reaction is by
a) making the products more stable than the reactant
b)providing energy to the reactants
c) preventing formation of the transistion state
d) aligning the reactants for the reaction
22. Which is NOT an amino acid precusor of a nuerotransmitter
a) tyrosine
b)tryptophan
c)histamine
d)glutamate
Explanation / Answer
13. When converting a fischer projection to a hayworth projection, all of the substituants on the right side of the carbon skeleton drawn in the hayworth projection,
a) down
17. Humans are not able to digest cellulose because,
c) humans do not posses the enzyme needed to hydrolyze 1-4 b gglycoside linkages
18. not visible
21. Enzyme can accelerate a reaction by,
d) aligning the reactants for the reaction
22. The amino acid which is NOt a precursor of a neurotransmitter is,
c) Histamine