macromolecules n cell membrane

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6 Terms

1
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biological molecules

any of numerous substances that are produced by cells and living organisms

2
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carbohydrates

main energy source for all organisms/structure for plants

  • CHO

  • 4 cal/g

  • supply the cells with instant energy

3
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lipids

insoluble to water

  • variety of functions: energy storage, cell membrane formation, cushioning of vital organs, insulation

  • fats, waxes, oils, and hormones

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cholesterol

regulates the fluidity of the membrane as temperature varies

  • a type of lipid, waxy substance found in cell

  • essential in the production of other biomolecules like hormones, steroids, and vitamin D

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proteins

involved in nearly all cellular functions (enzymes, pigments, and steroid hormones)

  • receptor, channel, transmembrane transport, adhesion, cell-cell reorganization, enzymatic function

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nucleic acids

stores, transmits, and expresses genetic information