The M line is formed by a flattened disc-like cytoskeletal protein that connects the thin filaments of two adjoining sarcomeres
Indicate whether the statement is true or false
F
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The second half of the pacemaker potential is brought about through the opening of ____-type ____ channels
Fill in the blank(s) with correct word
A nude body at a room temperature of 21°C (70°F) loses most of its heat by which process?
A. Convection B. Forced convection C. Radiation D. Evaporation E. Conduction
Which of the following will increase the rate of diffusion?
A. an increase in the viscosity of the solvent B. an increase in the temperature C. an increase in the molecular weight of the diffusing particles D. an increase in the distance the molecules have to travel E. All of these choices are correct.
Structure #1 represents the
A) ribosomes.
B) microvilli.
C) cilia.
D) Golgi apparatus.
E) cytoskeleton.