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15 terms

Sience Vocab lessons 3+4

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this is a substance that cannot be broken down
Element
This is when two or more elements combine
Compound
an energy rich organic compound made of carbon, hydrogen, and oxygen
carbohydrate
a compound that contains the same elements as a carbohydrate but has even more energy
lipids
a large organic compound made up of carbon, hydrogen, oxygen, nitrogen, and in some cases sulfur
proteins
this is the structure of a simple protein that their are only 20 of.
Amino acids
a type of protein that speeds up a chemical reaction
Enzyme
a very long organic molecule that conatins carbon, oxygen, hydrogen, nitrogen and phospherus
nucleic acid
a genetic material that carries info about an organism
D.N.A
plays an important role in the production of proteins it is found in cytoplasm and nucleus.
R.N.A
some substances can pass through the membrane but some cant
Selectively permiatble
the proses in which a molecule moves from a place of higher consecration to a area of lower
Diffusion
the proses of diffusion through water
osmosis
the movement of materials through a cell that requires the cells energy
active transport
the movement of materials through the cell that does not require the use of the cells energy
passive transport