Which of the following does NOT affect the rate of diffusion?
a) solvent density
b) temperature
c) mass of the molecule diffusing
d) extent of the concentration gradient
e) all of these affect the rate of diffusion
Ans: e) all of these affect the rate of diffusion
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A. false B. true
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A. complex with ribosomes. B. bind to an amino acid. C. bind multiple amino acids simultaneously. D. control DNA replication. E. code for protein.
The nonequilibrium created by ____ represents a renewing source of energy
a. temperature gradients b. acidic ocean vents c. alkaline ocean vents d. radioactive decay e. protocell formation
Which type of tissue forms a communication and coordination system within the body?
A) nervous B) epithelial C) connective D) muscle