Explain all the phases of mitosis in skin cells.
Explain all the phases of mitosis in skin cells.
1 AnswerQuestions and Answers
1 AnswerBriefly describe the differences in the time spent in interphase and the four stages of mitosis, and list the mitosis stages from most to least time
Briefly describe the differences in the time spent in interphase and the four stages of mitosis, and list the mitosis stages from most to least time
1 AnswerDoes nondisjunction occur in mitosis?
Does nondisjunction occur in mitosis?
1 AnswerThe chromosomes are aligned midway between the spindle poles during _________.
The chromosomes are aligned midway between the spindle poles during ________.
1 Answera) When do mitosis and meiosis occur? Does meiosis occur when the sperm fuses with the egg? b) Explain what is spermatogenesis and oogenesis.
a) When do mitosis and meiosis occur? Does meiosis occur when the sperm fuses with the egg? b) Explain what is spermatogenesis and oogenesis.
1 AnswerWhere are the main checkpoints that control the cell cycle?
Where are the main checkpoints that control the cell cycle?
1 AnswerWhat are the example of cells that stop dividing?
What are examples of cells that stop dividing?
1 AnswerWhen cells enter mitosis, their existing array of cytoplasmic microtubules has to be rapidly broken down and replaced with the mitotic spindle that forms to pull the chromosomes into the daughter cells. The protein katanin is activated during the onset of mitosis, and chops microtubules into shorter pieces. What do you suppose is the fate of the microtubule fragments created by katanin? Explain your answer.
When cells enter mitosis, their existing array of cytoplasmic microtubules has to be rapidly broken down and replaced with the mitotic spindle that forms to pull the chromosomes into the daughter cells. The protein katanin is activated during the onset of mitosis, and chops microtubules into shorter pieces. What do you suppose is the fate of the microtubule fragments created by katanin? Explain your answer.
1 AnswerWhich of the statement is false concerning mitosis and meiosis? a) Both of these processes require DNA synthesis beforehand. b) Both of these processes allow genetic variation.
Which of the statements is false concerning mitosis and meiosis? a) Both of these processes require DNA synthesis beforehand. b) Both of these processes allow genetic variation.
1 AnswerPlace the following events in the order in which they occur during the cell cycle by numbering them from 1. In addition, indicate whether each process occurs during G1,S,G2 prophase, prometaphase, metaphase, anaphase, telophase, or cytokinesis. For the purposes of this question, assume the cell cycle starts with the beginning of interphase. _____ Spindle poles separate and move toward cell periphery _____ Cell growth (after DNA replication) _____ Nuclear envelope breakdown _____ Cleavage furrow formation _____ Sister chromatids move towards spindle poles _____ Alignment of chromosome along cell equator _____ Interpolar microtubule interactions begin _____ Complete chromosome decondensation _____ Nuclear lamin dephosphorylation _____ DNA replication _____ Kinetochore microtubule attachment to chromosomes _____ Sister chromatid condensation _____ Beginning of contractile ring assembly _____ Nuclear envelope reassembly _____ Centrosome duplication _____ Suspension of cell cycle until all chromosomes attach to mitotic spindle _____ Astral microtubule nucleation _____ Sister chromatid separation _____ Complete separation of one cell into two new daughter cells
Place the following events in the order in which they occur during the cell cycle by numbering them from 1. In addition, indicate whether each process occurs during G1, S, G2, prophase, prometaphase, metaphase, anaphase, telophase, or cytokinesis.
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