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In order to study in detail the anatomy of internal cell parts, it
would be best to
use - ANSWER -a transmission electron
microscope (TEM)
Which of the following is NOT true of a transmission
electron microscope
(TEM)? - ANSWER -Gives the clearest three-
dimensional images
What type of cell would have an abundance of lysosomes? -
ANSWER -white
blood cell, a
phagocyte
Absence of a cytoskeleton might affect - ANSWER -cell shape
Which of the following would increase the rate of
mediated transport? -
,ANSWER -increase the number of available
carrier molecules
What cell type would have many Golgi apparatus? -
ANSWER -mucus cell
(secretes
mucus)
Certain cells in the liver ingest bacteria and debris from
damaged cells by a
process called - ANSWER –
phagocytosis
The function of the Golgi apparatus is - ANSWER -packaging
and distribution of
proteins and
lipids
The sodium-potassium pump located in the plasma
membrane - ANSWER -
actively transports potassium
into cells
The anticodon sequence GUA pairs with which of the
following codons? -
ANSWER –
CAU
, Messenger RNA - ANSWER -is synthesized when a portion of a
DNA molecule
is
transcribed
Which of the following events occurs during
anaphase? - ANSWER -
chromosomes migrate to opposite poles
of the cell
In DNA replication, - ANSWER -the leading strand is formed
as a continuous
strand
Which of the following is NOT posttranslational
processing? - ANSWER -
removal of introns from
pre-mRNA
What molecule(s) cause(s) a portion of a DNA molecule
to unwind for
transcription? - ANSWER -RNA
polymerase
DNA replication results in two new DNA molecules. Each of
these new molecules - ANSWER -has one strand of nucleotides
from the parent DNA and one newly synthesized strand of
nucleotides