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HBC 200: BIOCHEMISTRY II END OF YEAR EXAMINATION||A+ GUIDE
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HBC 200: BIOCHEMISTRY II END OF YEAR EXAMINATION||A+ GUIDE
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My courses / HBC200 / General / HBC 200: BIOCHEMISTRY II END OF YEAR EXAMINATIONStarted on Monday, 19 June 2023, 9:15 AM
State Finished
Completed on Monday, 19 June 2023, 11:16 AM
Time taken 2 hours 1 min
Question 1
Complete
Marked out of 1
Which of the following is not associated with Phase 2 reactions?
a. Methylation
b. Glucuronidation
c. Conjugation with amino acids
d. Conjugation with oxidized glutathione
e. Sulfation
Question 2
Complete
Marked out of 1
COSMIC database can be used to access information on;
a. Metabolic pathways of parasites
b. Nucleotide sequences of microorganisms
c. Somatic mutations and cancer type in humans
d. Genomic data in humans
e. Drugs used in cancer treatment
HSR
,Question 3
Complete
Marked out of 1
Which of the following enzyme catalyses reactions in the biosynthesis of both catecholamines and serotonin?
a. Phenyl ethanolamine N-methyl transferase
b. Aromatic amino acid decarboxylase
c. Tyrosine hydroxylase
d. Dopamine-β-hydroxylase
e. Tryptophan hydroxylase
Question 4
Complete
Marked out of 1
Allopolyploid comprise of;
a. Combination of chromosomes from one species
b. Combination of similar chromosomes derived from more than one species
c. Polytene chromosomes
d. Combination of chromosomes from non-disjunction events
e. Typical example is trisomy 18
Question 5
Complete
Marked out of 1
Mosaic phenotype observed in female cat is contributed by the following factors EXCEPT;
a. Heterozygous X chromosome-encoded condition
b. X chromosome inactivation
c. Expansion of cells with maternal X chromosome inactivated in embryonic development
d. Homozygous X chromosome-encoded condition and a defective with a defective chromosome 2
e. Division of cells with paternal X chromosome inactivated in embryonic development
HSR
,Question 6
Complete
Marked out of 1
NO, a neurotransmitter is made from the amino acid____________________.
a. Glycine
b. Serine
c. Proline
d. Arginine
e. Threonine
Question 7
Complete
Marked out of 1
Which of the following statements on regulation of pyrimidine metabolism is false?
a. Carbamoyl phosphate synthetase (CPS) catalyzes the committed step in pyrimidine synthesis and serves as the focal
point for allosteric regulation.
b. None of the options provided
c. UDP and UTP are feedback inhibitors of CPS
d. PRPP and ATP are allosteric activators.
Question 8
Complete
Marked out of 1
Which pyrimidine nucleotide acts as the high energy intermediate?
a. Cyclic AMP
b. UTP
c. CMP
d. ATP
e. UDPG
HSR
, Question 9
Complete
Marked out of 1
You would like to establish the correlation between gut bacteria and obesity. Which of these databases will give you relevant
information
a. Vectorbase
b. GiardiaDB
c. PlasmoDB
d. TritrypDB
e. MicrobiomeDB
Question 10
Complete
Marked out of 1
Adenylosuccinate synthetase
a. Its substrate is inosine monophosphate
b. Catalysis an exothermic reaction
c. Catalysis the breakdown of adenylosuccinate
d. None of the options provided
e. Is an enzyme in the pyrimidimine synthesis pathway
Question 11
Complete
Marked out of 1
The enzyme that removes RNA primer during DNA replication is
a. RNA polymerase III
b. DNA polymerase I
c. DNA polymerase III
d. Primase
e. RNA polymerase I
HSR
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