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Biology STAAR practice test|42 Accurate Q’s and A’s
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Biology STAAR practice test|42 Accurate Q’s and A’s
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Biology STAAR practice test|42Accurate Q’s and A’s
carbohydrate:structural components - - CHO, monosaccharide,
polysaccharide
- lipid:structural components - - glycerol head, fatty acid chain tails
- protein:structural components - - CHON, animno acids, proteins
- Nucleic acid:structural components - - CHONP, nucleotide, amino acids
- carbohydrate functions and example - - main source of energy, structural
purposes. EX= glucose, fructose
- lipids functions and example - - stored energy, make up cell membranes,
chemical messengers. EX=fats, oils
- Proteins functions and example - - control the rate of reactions, form bone
and muscle, transport substances into and out of cells, fight disease. EX=
enzymes
- nucleic acid functions and example - - stores and transmits hereditary or
genetic info. EX= DNA
- lipid - -
- protein - -
- carbohydrate - -
- nucleic acid - -
- diffusion - - Movement of molecules from an area of higher concentration
to an area of lower concentration.
- osmosis - - Diffusion of water through a selectively permeable membrane
- facilitated diffusion - - Movement of specific molecules across cell
membranes through protein channels
- active tranport - - the movement of ions or molecules across a cellular
membrane from a lower to a higher concentration, requiring the
consumption of energy.
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