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Description and Tags
L2 bio, Movement of materials (transport) - enzymes - animal vs plant cells - cell size - processes of respiration: photosynthesis, and DNA replication/mitosis cell division
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4 Terms
Diffusion
The movement of materials from a high to low concentration, following the concentration gradient. It is passive ( does not require energy).
Semi permeable membrane
A selective barrier that allows some substances to pass through it while blocking others, controlling movement of materials in and out of cells.
Sa:Volume ratio can be increased by:
Long shape, biconcave shape, folding of the cell membrane
Aerobic respiration locations of 3 steps
glycolysis in cytoplasm, krebs cycle in mitochondria matrix, and electron transport chain in mitochondria cristae