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Cell Cycle Bio Test

QuestionAnswer
How many chromosomes do humans have? 46
What is a chromosome? DNA, how we hold our DNA
What is chromatin? Can see separated strands of DNA (DNA is usable)
What is a chromatid? Highly compact DNA
What do we call two identical chromatids that are connected? Sister chromatids
What is the place where the chromatids are connected called? Centromere
What is the process called that bacteria use to divide? Binary Fision
How is a bacteria chromosome different from that of a human? Bacteria only has one, & is circular / humans have 46 different strands of DNA
Give three reasons that cells divide. Growth, Repair, Replace
What stage of the cell cycle does the cell stay in most of the time? Interphase , (G1)
What stage of the cell cycle is the cell growing? G1 & a little more in G2
What happens in G1 phase? Growing, doing its normal job/jobs, maturing
What happens in S phase? DNA duplicates
What happens in G2 phase? Final growth, preparing for division.
Describe what the G0 phase is.
Give two examples of cells that remain in interphase and do not enter into mitosis.
What stage of the cell cycle is the nucleus splitting?
What do we call the original cell that eventually divides?
What do we call the two cells after the division has occurred?
What stage of the cell cycle is the cell splitting?
What are the stages of mitosis in order?
What happens in prophase? (Draw a diagram.)
What happens in prometaphase? (Draw a diagram.)
What happens in metaphase? (Draw a diagram.)
What happens in anaphase? (Draw a diagram.)
What happens in telophase? (Draw a diagram.)
What is cytokinesis? (Draw a diagram.)
How is cytokinesis different in plant and animal cells?
What stage of the cell cycle is the longest?
What stage of the cell cycle is the shortest?
What stage of mitosis is the longest?
What stage of mitosis is the shortest?
What does the mitotic spindle do?
What is the role of a centrosome?
Give three major contributing factors that control control cell division.
What is the G1 checkpoint checking for?
What is the G2 checkpoint checking for?
When does the M checkpoint occur?
What does the M checkpoint check for?
What do we call it when a cell loses control of the cell cycle?
What is the difference between a tumor and cancer?
What does benign mean?
What does malignant mean?
What is metastasis?
Give three ways to treat cancers.
What are the three main types of cancer and how do they differ?
What is a kinetochore?
At what phase does the nuclear envelope disappear?
At what phase does the nuclear envelope reappear?
At what phase do chromosomes begin to condense?
At what stage do the sister chromatids get pulled apart?
At what stage do the sister chromatid pairs line up at the cell equator?
Interphase takes... 23 hours
G1 phase in interphase takes... 11 hours
S phase in interphase takes... 8-10 hours
G2 phase in interphase takes... 3-4 hours
Mitosis takes... 1 hour
Prophase in mitosis takes... 15 minutes
Prometaphase in mitosis takes... 15 minutes
Metaphase in mitosis takes... 15-20 minutes
Anaphase in mitosis takes... 3 minutes
Telophase in mitosis takes... 7 minutes
Cytokinesis takes... 5 minutes
Created by: Avery Ansinn