BIO 101 NVCC EXAM 3 ACTUAL EXAM
QUESTIONS WITH ANSWER VERIFIED
Eukaryotic chromatin is composed of - ANSWER DNA and
proteins
What is produced if a cell completes mitosis but does not
undergo cytokinesis? - ANSWER one cell with two nuclei, each
identical to the nucleus of the parent cell
Humans produce skin cells by mitosis and gametes by meiosis.
The nuclei of skin cells produced by mitosis will have - ANSWER
twice as much DNA as the nuclei of gametes produced by
meiosis
Compared to most prokaryotic cells, eukaryotic cells typically
have - ANSWER more DNA molecules and larger genomes.
During mitosis in animal cells, at which phase do centrioles
begin to move apart? - ANSWER prophase
Where do the microtubules of the spindle originate during
mitosis in animal cells? - ANSWER centrosome
A group of cells is assayed for DNA content immediately
following mitosis and is found to have an average of 8
picograms of DNA per nucleus. How many picograms would be
found at the end of S and the end of G2? - ANSWER 16; 16
What is a cleavage furrow? - ANSWER a groove in the plasma
membrane between daughter nuclei
Cells from advanced malignant tumors frequently have very
abnormal chromosomes as well as an abnormal number of
chromosomes. What might explain the association between
malignant tumors and chromosomal abnormalities? - ANSWER
Cell cycle checkpoints are not in place to stop cells with
chromosome abnormalities.
Which is the first checkpoint in the cell cycle where a cell will
be caused to exit the cycle if this point is not passed? -
ANSWER G1
Which of the following is true concerning cancer cells? -
ANSWER They evade the normal controls that trigger
programmed cell death
Most animal cells exhibit anchorage dependence, which means
that in order to divide - ANSWER cells must be attached to a
substrate or extracellular matrix of a tissue.
Researchers began a study of a cultured cell line. Their
preliminary observations showed them that the cell line did not
exhibit either density-dependent inhibition or anchorage
dependence. What could they conclude rig
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