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17 Cards in this Set

  • Front
  • Back
We eat to:
get energy and acquire raw materials for growth and metabolism.
Cell surface membranes:
exert control over what enters and leaves the cell.
Cell walls are synthesised:
by linking molecules of glucose to make cellulose. Cell walls on outer surface of cell surface membrane.
plant cells respire:
all the time, all of them, even at night.
composed of different types
inorganic compounds
compounds which do not contain carbon, or if they do, they do not also contain hydrogen
molecules consisting of large numbers of atoms
metabolic processes / metabolism
all the chemical reactions which occur in cells
a sweet-tasting molecule comsisting of a single unit.
nucleic acid
a kind of acid abundant in the nuclei of cells, includes DNA and RNA
organic compounds
compounds which contain carbon and usually hydrogen
a chain of sweet-tasting molecules
the chemical breakdwon of organic molecules with th release of energy; occurs inside cells
includes two types of processes. Catabolism - large to small, and Anabolism - small to large.
Difference between cell membranes and cell surface membranes:
Cell membranes can be found internally forming part of organelle strucutre.
Cell membranes contain
lipids and proteins
Cellulose is
carb, macromol, polysacch and polymer