BIO 1201 GREGG ACTUAL TEST BANK FULL
SOLUTION WITH VERIFIED ANSWERS
●● The obvious advantage of the lac operon system is that ___.
Answer: lactose-metabolizing enzymes need not be made when lactose
is not present
●● Genomic imprinting, DNA methylation, and histone acetylation are
all examples of ___.
Answer: epigenetic phenomena
●● In eukaryotes, general transcription factors ___.
Answer: bind to other proteins or to a sequence element within the
promoter called the TATA box
●● Which of the following describes the process by which introns are
snipped out and exons are spliced together to make a mRNA?
Answer: transcript processing
●● Within a cell, the amount of protein made using a given mRNA
molecule depends partly on ___.
Answer: the rate at which the mRNA is degraded
, ●● Gene expression might be altered at the level of post-transcriptional
processing in eukaryotes rather than prokaryotes because of which of the
following?
Answer: Eukaryotic exons may be spliced in alternative patterns
●● When a cell releases a signal molecule into the environment and a
number of cells in the immediate vicinity respond, this type of signaling
is ___.
Answer: paracrine signaling
●● One of the major categories of receptors in the plasma membrane
reacts by forming dimers, adding phosphate groups, then activating relay
proteins. Which type does this?
Answer: receptor tyrosine kinases
●● Caffeine is an inhibitor of phosphodiesterase. Therefore, the cells of
a person who has recently consumed coffee would have increased levels
of ___.
Answer: cAMP
●● An inhibitor of which of the following could be used to block the
release of calcium from the endoplasmic reticulum?
Answer: phospholipase C
SOLUTION WITH VERIFIED ANSWERS
●● The obvious advantage of the lac operon system is that ___.
Answer: lactose-metabolizing enzymes need not be made when lactose
is not present
●● Genomic imprinting, DNA methylation, and histone acetylation are
all examples of ___.
Answer: epigenetic phenomena
●● In eukaryotes, general transcription factors ___.
Answer: bind to other proteins or to a sequence element within the
promoter called the TATA box
●● Which of the following describes the process by which introns are
snipped out and exons are spliced together to make a mRNA?
Answer: transcript processing
●● Within a cell, the amount of protein made using a given mRNA
molecule depends partly on ___.
Answer: the rate at which the mRNA is degraded
, ●● Gene expression might be altered at the level of post-transcriptional
processing in eukaryotes rather than prokaryotes because of which of the
following?
Answer: Eukaryotic exons may be spliced in alternative patterns
●● When a cell releases a signal molecule into the environment and a
number of cells in the immediate vicinity respond, this type of signaling
is ___.
Answer: paracrine signaling
●● One of the major categories of receptors in the plasma membrane
reacts by forming dimers, adding phosphate groups, then activating relay
proteins. Which type does this?
Answer: receptor tyrosine kinases
●● Caffeine is an inhibitor of phosphodiesterase. Therefore, the cells of
a person who has recently consumed coffee would have increased levels
of ___.
Answer: cAMP
●● An inhibitor of which of the following could be used to block the
release of calcium from the endoplasmic reticulum?
Answer: phospholipase C
