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mitosis and cell cyc
cell cycle and mitosis quiz and test
| Question | Answer |
|---|---|
| What are the parts of mitosis in order | prophase, metaphase, anaphase, telophase |
| what are the parts of the cell cycle in order | Interphase, mitosis, cytokinesis |
| how long does interphase typically take | 13-24 hours |
| how long does mitosis typically take | 1-2 hours |
| how many cells are in the human body | 75 trillion |
| how many cell divisions typically occur per second | about 1 million per second |
| 2 factors that limit cell growth | Dna overload and insufficient material exchange |
| what happens in prophase | Chromatin condenses onto chromatids and the nuclear envelope breaks down spindles start to form out chromosomes become visible |
| what happens in metaphase | the centrioles spindles attach to the centronome and line up chromosomes in the center of the cell |
| what happens in Anaphase | The spindles pull apart the two sister chromatids to opposite ends of cell spindles get smaller |
| What happens in telophase | Mitosis ends, spindles completely reform chromatin uncondenses the nuclear envelope reconstructs around each new nucleus |
| what happens in cytokinesis | cytoplasm divides, into 2 new daughter cells. Chromosome Dna unravels making chromosomes invisible again |
| What happens in interphase (overall) | Growth stage before the cell starts mitosis cell organelles, and DNA duplicate, cell volume and surface area grows until splitting point |
| what happens in G1 phase | normal cell processes and growth, outer cell organelles are duplicated(5-9 hours) |
| What happens in S phase | Dna within daughter cell is duplicated resulting in 2 sets ready to be divided in cell splitting |
| what happens in G2 phase | Further growth of volume and surface area, nucleus gets ready to split in mitosis |
| What happens in mitosis (overall) | the cell nucleus is divided |
| functions of cell division | replace, repair, maintain |
| what is the result of mitosis and cytokinesis | 2 identical daughter cells |
| advantages and disadvantage of sexual reproduction | more genetic diversity, allows for better survival rates, but rate of reproduction is slower |
| advantages and disadvantages of asexual | less genetic diversity, lower survival odds, but faster reproduction |
| binary fission | process of a unicellular organisms reproducing asexually |
| cell cycle | series of events cells go through as they grow and divide |
| difference between pro and eukaryotic DNA | prokaryotic is a singular loop in the cytoplasm eukaryotic is multiple chromosomes per cell stored in the nucleus |
| benign vs malignant tumor | benign=non cancerous malignant=cancerous |
| apoptosis | process of programmed cell death |
| cell differentiation | process in which unspecialized cells become specialized |
| stem cells | unspecialized cells prior to differentiation |
| what are the three types of stem cells | totipotent-all pluripotent-most multipotent-limited ability |
| diseases stem cells help with | cancer, parkinson's, diabetes, etc |
| how is cell cycle regulated | using regulatory proteins in and outside cell |
| what are the regulation checkpoints | g1, s, mitosis(in g2) |
| role of chromosomes in cell division | makes separating DNA precisely possible |
| cyclin | builds up through interphase and tells the cell when to go into mitosis |
Created by:
vincdrea
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