Lecture Exam #2
Quiz
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Science
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University
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Easy
Jocelyn Pitts
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54 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Somatic cell division differs from reproductive cell division in all of the following ways EXCEPT?
somatic cell division involves any call of the body except germ cells
Somatic cell division is termed mitosis while reproductive cell division is termed meiosis
Somatic cell division produces identical cells with the same number and kind of chromosomes while reproductive cell division produces cell with half the number of chromosomes
Somatic cell division only occurs in the ovaries and testes
2.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Which of the following is mismatched?
Prophase- Chromatin fibers condense into paired chromatids
Metapahse- Centromeres of chromatid pairs line up at the metaphase plate
Anaphase- Centromeres split and identical sets of chromatids move to opposite ends of the cell
Telophase- Nuclear envelopes and nucleoli reappear
Interphase- Mitotic spindle disappears
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
On the way to class, carl tripped and injured his arm. The next morning his arm was badly bruised and showed signs of inflammation. were the injured cells in his arm undergoing apoptosis necrosis?
Apoptosis
Necrosis
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
In the below image, look carefully at the structure labeled C. What happens to it during anaphase in somatic cell division?
the entire structure goes into one of the new cells being formed
the structure duplicates itself, and each new cell will get a complete "X" shaped structure
the center region splits, and each identical new cell gets one half of the "X" shaped structures
the center region splits, and both halves replicate, and two identical sections go into each new cell
none of these are correct statements on what is happening
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Sister chromatids of a pair of homologous chromosomes form tetrads, and crossing-over (exchange of genetic information between regions of non-sister chromatids in the tetrad) occurs during which phase?
mitotic prophase
meiotic prophase l
mitotic metaphase
meiotic metaphase l
meiotic metaphase ll
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
cells are genetically programmed to die, responding to cell signals that can come from outside or inside the cell. this process is called necrosis and is a normal way to regulate cell numbers during fetal development and within tissues and organs after birth
true
false
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
DNA replication
can also be called mitosis
requires the use of mRNA, rRNA, and tRNA
takes place during S interphase of the cell cycle
reduces the number of chromosomes by half
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