Unit Three Review Jeopardy DNARNAMitosis MeiosisCancer Misc. 100 200 300 400 500.
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Unit Three Review Jeopardy DNA RNA Mitos is Meiosi s Cancer Misc. 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500
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Transcript of Unit Three Review Jeopardy DNARNAMitosis MeiosisCancer Misc. 100 200 300 400 500.
Unit Three Review Jeopardy
DNA RNA Mitosis Meiosis Cancer 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
Uraciladenine
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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 SG2 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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Jeopardy
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 strandedinstead of double stranded like
DNAUracil 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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