Unit Three Review Jeopardy
Mitosis Meiosis Cancer
DNA
RNA
Misc.
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RNA:DNA::single stranded:
ANSWER
Double stranded
Unit Three Review Jeopardy
In DNA, cytosine always pairs
with _________.
Answer
Guanine
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The genetic code of an
organism is determined by the
sequence of ____________ in
it’s DNA.
Answer
Nitrogenous bases
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When DNA replicates, each
new strand is connected to the
a strand of the original DNA.
T or F
Answer
True
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In gel electrophoresis, what is
the purpose of the standard
column of DNA?
Answer
The control of the test
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In RNA, what type of bonds
hold together the backbone of
RNA (the sugar and
phosphate).
Answer
Covalent bonds
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Which nitrogen base is
present in RNA, but not DNA
and with what base does it
pair?
Answer
Uracil
adenine
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During ___________, cells
use information from mRNA to
produce proteins
Answer
Translation
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During ___________, RNA
polymerase binds to DNA and
separates the DNA strands. RNA
polymerase then uses one strand of
DNA as a template from which
nucleotides are assembled into a
strand of RNA.
Answer
Trancription
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Why does DNA make RNA?
Answer
To enable the cell to make
more proteins.
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During metaphases of mitosis,
what happens?
Answer
The chromosomes line up along the
equator line of the cell.
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When does the nuclear
envelope disappear?
Answer
During prophase
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Anaphase stops when?
Answer
The chromosomes stop moving
apart.
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Division of cytoplasm?
Answer
Cytokinesis
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The chromosomes stop moving
apart.
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DAILY DOUBLE!!!!
QUESTION
INTERPHASE IS MADE UP
OF WHAT PHASES? NAME
THEM IN ORDER AND TELL
WHICH PHASE DEALS WITH
COPYING OF THE
CHROMOSOMES?
Answer
•
G1
S
G2 PHASE
S PHASE copy of chromosomes
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DNA replication occurs during
Interphase II.
T or F
Answer
False,
DNA replication occurs during
Interphase I. And by the way,
there is no Interphase II!!!
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When does crossing over
occur?
Answer
Prophase I
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In humans, the male gametes
created by meoisis are called
_______________.
Answer
Sperm
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Meiosis produces 4 _______
_______ haploid cells.
Answer
Genetically different
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If 2N = 46, a diploid cell would
have ____ N or ___
chromosomes
Answer
2, 46
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Cancer cells do not _______
to the signals that regulate the
growth of most cells.
Answer
respond
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Masses of cell that damage
surrounding cells.
Answer
tumors
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Cancer cells do not respond to
signals that would normally
stop them from ________.
Answer
dividing
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How do cells respond to
contact with other cells?
Answer
Normal cells respond by not growing
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Why can cancer be
considered a disease of the
cell cyle?
Answer
Cancer is a disorder in which some
of the body’s cells lose the ability
to control growth, and the cell
cycle is the series of events that
cells go through as they grow
and divide.
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List three ways RNA is
different than DNA.
Answer
RNA is single stranded
instead of double stranded like
DNA
Uracil replaces thymine
Sugar is ribose (not deoxyribose)
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Describe the Griffith
Experiment.
Answer
Griffith concluded that heat-killed,
disease-causing a bacteria can
“transform” harmless bacteria
into ones that can cause
disease.
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Who was it that developed the
double helix model of DNA?
Answer
Watson and Crick
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In males, meiosis produces __
equally sized gametes called
sperm. In females, only ___
large egg cell results from
meiosis. The other __ cells
called polar bodies, usually are
not involved in reproduction
Answer
In males, meiosis produces _4_
equally sized gametes called
sperm. In females, only _1__
large egg cell results from
meiosis. The other_3_ cells
called polar bodies, usually are
not involved in reproduction
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Nitrogenous bases are
connected with
_____________bonds.
Answer
hydrogen
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