Which of the following statements about diffusion is false?
A. It transports materials actively along a
concentration gradient.
B. It is effective only over small distances.
C. It limits the size of prokaryotic cells.
D. It limits the shape of prokaryotic cells.
E. It supplies key molecules for metabolism.
A
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The lowest concentration of an antibiotic that prevents growth is the
A. 50% inhibitory dose. B. minimal inhibitory concentration (MIC). C. minimal lethal concentration (MLC). D. All of the choices are correct.
According to Bergmann's rule, as global temperature increases,
A) body size will increase. B) body size will decrease. C) territory size will increase. D) territory size will decrease.
Choose the one most appropriate answer for each.
A. Griffith B. Miescher C. Avery and McCarty D. Watson and Crick E. Hershey and Chase F. Chargaff G. Wilkins H. Franklin
Algae can have different types of photosynthetic pigments that allow them to photosynthesize at various depths in water.
Answer the following statement true (T) or false (F)