What is a chromatid? - ANSWERSA replicate chromosome
Which term describes centrioles beginning to move apart in animal cells? - ANSWERSProphase
What is the G0 phase? - ANSWERSThe cell is not replicating
Where do the microtubules of the spindle originate during mitosis in both plant and ani...
BIO 1305 Exam 4 Questions & Answers
What is a chromatid? - ANSWERSA replicate chromosome
Which term describes centrioles beginning to move apart in animal cells? -
ANSWERSProphase
What is the G0 phase? - ANSWERSThe cell is not replicating
Where do the microtubules of the spindle originate during mitosis in both plant and
animal cells? - ANSWERSCentrosome
What is the role of the centrosome - ANSWERSForms the microtubules used in the
mitotic spindle
If a cell has 8 chromosomes at metaphase of mitosis, how many chromosomes will it
have during anaphase? - ANSWERS16; sister chromatids while attached are still
considered 1 chromosome
During which phases of mitosis are chromosomes composed of 2 chromatids? -
ANSWERSFrom G2 of interphase through metaphase
If a cell immediately following mitosis has 8 picograms of DNA, those cells would have
___ picograms at the end of the S phase and ___ picograms at the end of G2? -
ANSWERS16;16
In order for anaphase to begin, which of the following must occur? - ANSWERSCohesin
must be cleaved enzymatically
What is cohesin? - ANSWERSA protein complex that regulates the separation of sister
chromatids during cell division
Why do chromosomes coil during mitosis? - ANSWERSTo allow the chromosomes to
move without becoming entangled and breaking
What is the shortest part of the cell cycle? - ANSWERSM (actual mitosis)
What is the enzyme that attaches a phosphate group to another molecule? -
ANSWERSKinase
Only one gene is used in a specific cell type (T/F) - ANSWERSFalse; Two (2) genes are
used in a specific cell cycle
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