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Exam (elaborations)

BIO 1305 Exam 4 Questions & Answers

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  • BIO 1305
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  • BIO 1305

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...

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  • October 12, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIO 1305
  • BIO 1305
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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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