Tight junctions ______________________
(a) allow small, water-soluble molecules to pass from cell to cell.
(b) interact with the intermediate filaments inside the cell.
(c) are formed from claudins and occludins.
(d) are found in cells in connective tissues.
(c)
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The principal difference between a saprophytic and
parasitic mode of nutrition is a. the quality of the nutrients. b. the species of fungus that possess it. c. determined by the quantity of available nutrients. d. determined by the source of the nutrients. e. whether the digestion is intracellular or extracellular.
The gray-black, filamentous, haploid mycelium growing on bread is most likely what kind of organism?
a) zygomycete b) basidiomycete c) chytrid d) deuteromycete e) ascomycete
The majority of photosynthesis is carried out by phytoplankton
Indicate whether the statement is true or false
Increased strength and reduced risk of kidney disease are benefits of cardiorespiratory fitness.
a. true b. false