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science- midterm 7

QuestionAnswer
cell theory 1 all living things are made of cells
cell theory 2 cells are the basic unit of life
cell theory 3 all cells come from pre-existing cells
Hooke named cells
Van Leuwenkoek discovered single-cell animal like arganisms
Schleiden studied plant cells
Schwann determined that all animals are made of cells
Virchow all cells come from pre-existing cells
Redi's experiment theory that maggots are not born from rotting meat- they come to it to nurse babies and eat the flesh
cellular transport formula PEEDO- LLLHH
diffusion no energy-high to low-movement of substances (not water)-moves down a concentration gradient
protein pumps energy-low to high-transport proteins that require energy to work-changes shape to move molecules
osmosis no energy-high to low-diffusion of water across a selectively permeable membrane-balances out water across membrane
endocytosis energy-low to high-taking bulky materials into a cell-cell membrane folds in around food particle
exocytosis energy-low to high-forces material out of a cell in bulk-membrane surrounding the material fuses with cell membrane
active transport energy required
passive transport no energy required
cellular respiration formula oxygen+glucose>water+carbon dioxide+energy/atp plant and animal cells-OGWCE organelle responsible- mitochondria
photosynthesis formula WATER+carbon dioxide+sun>oxygen+glucose plant cells organelle responsible- chloroplast
diploid having 2 copies of each chromosome (2n)
haploid Having 1 copy of each chromosome (1n)
gamete a reproductive cell that has only 1 set of chromosomes (1n) example: sperm / egg
chromatids duplicated DNA- when it breaks into two 2
chromosome singular, non daugher
Created by: ellaflittle
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