Which one of the following requires assisted membrane transport?
a. Glucose moving into a cell
b. K+ ions moving out of a cell
c. Water moving toward a hypertonic solution
d. Movement of ECF into a cell via pinocytosis
e. Movement of Na+ through a symporter
B
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Plasma clearance is the
a. time required to filter blood in the glomerulus b. amount of a substance appearing in the urine in one minute c. amount of a substance that is filtered in one minute d. amount of a substance secreted in one minute e. volume of plasma cleared of a substance by the kidneys in one minute
____________________ molecules are plasma membrane-bound glycoproteins that serve as self-antigens
Fill in the blank(s) with correct word
Body membranes are composed of ________ tissues
A) connective and muscle B) epithelium and muscle C) epithelium and connective D) connective and nervous
A molecule that is oxidized gains electrons and energy.
Answer the following statement true (T) or false (F)