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9th grd Cell Cycle

QuestionAnswer
cancer proliferation of cells caused by disruptions in the cell cycle; disruptions may be caused by environmental factors
cell cycle sequence of events that result in cell growth and ultimately division into 2 daughter cells
DNA nucleic acid which is self-replicating and contains the code to make all proteins needed by an organism
DNA replication process by which a copy of DNA is made by separating the two strands and building a complementary strand on each of the original strands
mitosis the process of cellular division, that along with cytokinesis, produces 2 genetically identical daughter cells
cellular respiration a series of processes that take place within a cell in which biochemical energy from organic substances is converted into high energy molecules called ATP for use in energy requiring activities of the cell.
enzyme a protein that catalyzes (speeds up) a reaction without being changed by it
photosynthesis a process in which complex organic molecules are synthesized using carbon dioxide, water, and light energy (sun) captured by light absorbing pigments (chlorophyll and other pigments)
substrate a chemical or set of chemicals that are affected by enzymes
active transport movement of particles across a membrane from an area of lower concentration to an area of higher concentration-requires energy
diffusion movement of particles from an area of higher concentration to an area of lower concentration
homeostasis regulation of an organism's internal environment in order to maintain conditions suitable for survival
osmosis diffusion of water from an area of higher concentration to an area of lower concentration
passive transport movement of particles across a membrane from an area of higher concentration to an area of lower concentration-does not require energy
Created by: kimbetcher
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