Control of respiratory processes is similar to control of cardiovascular in that . . . a. norepinephrine on alpha receptors causes bronchoconstriction b. epinephrine on beta 2 receptors causes bronchodilation c. somatic motor neurons release acetylcholine onto nicotinic receptors at ganglionic synapse d. alveolar radius can be regulated similar to capillary radius

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enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products

the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.

-hails tea

explanation:

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