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Which of the statements regaurding cell division are FALSE?
Cell division is common in Eukaryotes and rare in Prokaryotes
Eukaryotic Chromosomes differ from Prokaryotic Chromosomes in that they...
are housed in a membrane-enclosed nucleus
Which is a feature of plant cell division that distinguishes it form animal cell division?
formation of a cell plate
Prior to mitosis, each chromosome of a eukaryotic cell consists of a pair of identical structures called....
The phase of mitosis during which the nuclear envalope fragments and the nucleoli disappear is called...
The process by which the cytoplasm of a eukaryotic cell divides to produce two cells is called...
p53 is a gene that produces products that halt the cycle until all DNA is replicated. The protein product could be active during the __________ Trannsition.
G2 to M-phase (G2 Checkpoint)
When animal cells are grown in a petri dish, they typically stop dividing onece they have formed a single, unbroken layer on the bottom of the dish. this arrest of division is an example of...
p53 is a gene that produces products that halt the cell cycle until all DNA is replicated. The could result in
all or the above
Which must occur for a plant or animal to grow and develope normally?
the organism mus be anble to control timing and rate of cell division in different parts of its body
A ___________ is the time during which the cell will not go forward until a certain sicnal is recieved.
The "go ahead" signal for the G2 to M-phase Transition (G2 Checkpoint) is/are called
maturation promoting factor
Which of the following statements regaurding mitosis and meiosis is false?
meiosis provides for asexual reproduction
Independent orientation of chromosomes at metaphase I and random fertilization are most like....
shuffling cards and dealing out hands of Go Fish
Which statement regauring the difference between mitosis and meiosis is false?
crossing over is a phenomenon that creates genetic diversity during mitosis
Which of the following options correctly describes the behavior of a tetrad during anaphase I of meiosis?
it splits into two pairs of sister chromatids, and one pair goes to each pole of the dividing cell
If a chromosome fragment breaks off and then reattaches to the original chromosome, but in reverse direction, the resulting chromosomal abnormality is called a(n)
Cancer is not usually inherited because....
the chromosomal changes in cancer are usually confined to somatic cells
Which of the following variations of the sentence "Where is the cat" is most like a chromosomal deletion?
where is cat?
Which of the following variations of the sentence "Where is the cat" is most like a chromosomal inversion?
Where the is cat?
Which of the statements about nondisjunction is false?
in mammals, extra Y chromosomes are typically inactivated
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