Which of the following best describes aquaporins?
a. They are channel proteins for water.
b. They are carrier proteins for water.
c. They are channel proteins for solutes.
d. They are carrier proteins for water and solutes.
Ans: a. They are channel proteins for water.
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a. skin b. a tracheal system c. internal gills d. external gills e. scales
Describe the experimental evidence for the selective adhesion property of cells
What will be an ideal response?
Which of the following organelles is thought to
have evolved from a bacterium?
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