Saliva contains salivary __________ an enzyme that begins the chemical digestion of starch.
Fill in the blank(s) with the appropriate word(s).
amylase
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The movement of water across a membrane from an area of lower solute concentration to a region of higher solute concentration is called ____.
a. osmosis b. active transport c. endocytosis d. both diffusion and osmosis e. both osmosis and active transport
Four of the five answers listed below are sinks for sugar deposition. Select the exception
a. immature fruits b. roots c. leaves d. immature seeds e. shoots
This animal has paired nerve cords that
connect to a simple brain. This animal is
a. a lobster. b. a jellyfish. c. an earthworm. d. a grasshopper. e. more than one of these
Which of the following statements is true?
(a) Proteins destined for the ER are translated by a special pool of ribosomes whose subunits are always associated with the outer ER membrane. (b) Proteins destined for the ER translocate their associated mRNAs into the ER lumen where they are translated. (c) Proteins destined for the ER are translated by cytosolic ribosomes and are targeted to the ER when a signal sequence emerges during translation. (d) Proteins destined for the ER are translated by a pool of cytosolic ribosomes that contain ER-targeting sequences that interact with ER-associated protein translocators.