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Unit 1-Biochemistry

Water properties, organic compounds

QuestionAnswer
glucose source of energy for cell metabolism
starch energy storage in plants
glycogen energy storage in animals
cellulose component of plant cell wall
enzymes catalytic-speeds up chemical reactions
hormones regulatory-chemical messengers that are produced in one part of the body and have an effect in a different part of the body
hemoglobin protective-attack foreign bodies
receptor proteins signaling-pick up signals at the cell membrane
amine group NH2
carboxyl group COOH
primary structure sequence of amino acids
secondary structure folds into an alpha-helix or a beta-pleated sheet
tertiary structure folds into 3D globular shape
quaternary structure several polypeptides clustered together
properties of water polarity, cohesion, adhesion, surface tension, capillary action, osmosis, high specific heat, high heat of vaporization, universal solvent, diffusion, buffer
high specific heat water's ability to absorb large amounts of heat energy without causing a significant change in temperature
high heat of vaporization amount of heat that must be absorbed to break hydrogen bonds so that evaporation can take place.
diffusion water allows movement of moaterials through an aqueous solution down the concentration gradient
osmosis movement of water across membranes down the concentration gradient
buffer water plays a role in maintaining a constant pH
capillary action adhesive and cohesive properties of water
Created by: Jaydeeeen
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