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24 Cards in this Set
- Front
- Back
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Factors that affect the cell cycle
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drugs, medication, radiation, pH, temperature, and nutrition of cell
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Mitosis: Major events that take place in G1
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increase of cell growth as well as cellular enzymes required for DNA synthesis
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Mitosis: Major events that take place in S
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this is where the DNA and the centrioles replicate
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Mitosis: Major events that take place in G2
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increase in protein synthesis
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Mitosis: Prophase
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nuclear membrana breaks apart, chromosomes become visible, spindle fibers form and attach to centromere, centrioles move to opposite ends,
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Mitosis: Metaphase
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chromosomes line up in the middle
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Mitosis: Anaphase
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the centromere/kinetochore break apart and spindle fibers pull 'sister chromatids' to opposite sides of the cell.
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Mitosis: Telophase
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cleavage forms, and cytokenisis begins. nuclear membrane starts forming
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Acronym for stages of Mitosis
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I (g1,s,g2), P,M,A,T
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When does genetic recombination occur in meiosis and how does it happen?
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chromosomes of gametes carry new combinations of alleles that result from the exchange of chromosome segments in crossing over
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Which cells undergo mitosis? how many cells are produced in the mitotic process?
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dna / somatic cells - 2
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Which cells undergo meiosis? How many cells are produced during the meiotic process?
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sperm and egg - 4
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Major differences between mitosis and meiosis
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Mitosis:
chromosomes line up in the middle, 4 stages, and into 2 cells, both genetically identical Meiosis: 2 different chromosomes, sharing fragments, sperm and egg replication, 8 stages - and into 4 cells, genetically different |
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What information can be found in a karyotype?
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sex, genetic disorders, genes and traits
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What is the formula for photosynthesis?
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6CO2 + 12H20 -> C6H12O6 + 6O2 + 6H20
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What are the 4 events of photosynthesis?
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Photochemical reactions, electron transport, chemiosmosis, carbon fixation
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What are the raw materials needed for Photochemical reactions
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light energy and pigments
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What are the raw materials needed for electron transport
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electrons, NADP and H20
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What are the raw materials needed for chemiosmosis
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H+ resevoir, ADP+ Pi
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What are the raw materials needed for Carbon Fixation
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RUBP, C02, ATP and NADPH
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What is the end product of photochemical reactions
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electrons
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What is the end product of electron transport
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NADPH O2 and H+
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What is the end product of chemiosmosis
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ATP
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What is the end product of carbon fixation
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Sugars, ADP+P, NADP
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