1. Oseltamivir, also known as Tamiflu, is effective as an antiviral against the influenza virus due to its ability to block the
action of which protein associated with the surface of the viral particle?:
A. Hemagglut
...
1. Oseltamivir, also known as Tamiflu, is effective as an antiviral against the influenza virus due to its ability to block the
action of which protein associated with the surface of the viral particle?:
A. Hemagglutinin D) Proteinase O
B. Neuraminidase E) RNA polymerase
C. Lysozyme
2. Anomers can be interconverted ________.
A. by isomerases such as triose phosphate isomerase
B. via a linear intermediate
C. only in non-reducing sugars
D. by an enediol intermediate
E. None of the above. Anomers cannot be interconverted
3. Another name for-2-D-deoxyribose is:
A. DNA
B. RNA
C. -2-L-deoxyribulose
D. -2-D-deoxyarabinose
E. Trick question, there is only a single name for monosaccharides and their derivatives. .
4. Which of the following would NOT produce a sugar silver mirror?
A. -D-galactopyranosyl (14) – -D-glucopyranose
B. -D-glucopyranosyl (11) – -D-fructofuranoside
C. -D-glucopyranosyl (14) – -D-glucopyranose
D. -D-glucopyranosyl (14) – -D-glucopyranose
E. -D-glucopyranosyl (11) – -D-glucopyranose
5. Facilitated diffusion through a biological membrane is:
A. Not important for biological systems consuming energy
B. driven by a difference of solute concentration.
C. generally irreversible.
D. driven by ATP hydrolysis.
E. not specific with respect to the substrate
6. The specificity of an enzyme catalyzed reaction:
A. is determined only by its intrinsic Km for a specific substrate
B. is determined by only by kcat for a specific substrate
C. is measured in units of M1 S1
D. is only relevant at high substrate concentration when substrates must compete for enzyme
E. is a property of only of allosterically regulated enzymes
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