Miraculin and gymnema

A. both bind to sweet receptor
B. both change a person's perception of sucrose
C. both function differently at neutral and basic pHs
D. all of the above
E. A and B
F. A and C
G. B and C


Answer: E. A and B

Biology & Microbiology

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Complete the following sentence. An exon is _______________________

A. a protein that is clipped out post- translationally B. RNA that is removed during the processing of an RNA molecule and remains inside the nucleus C. part of an intact, mature mRNA that leaves the nucleus D. a transfer RNA that binds to the codon E. a series of amino acids at the end of a new polypeptide that directs transcription to the ER

Biology & Microbiology

The three steps that take place in each cycle during PCR occur in which order?

A. DNA denaturation, annealing, and synthesis B. DNA annealing, denaturation, and synthesis C. DNA synthesis, denaturation, and annealing D. None of the choices are correct.

Biology & Microbiology

If a flood separated a large population into two populations, this would be an example of which

process?

a. allopatric speciation b. development of a host race c. parapatric speciation d. polyploidy e. sympatric speciation

Biology & Microbiology

Why is Graves’ disease dangerous? What will be an ideal response?

Biology & Microbiology