Explain the respective advantages associated with operons being inducible (e.g., the lactose operon) or
repressible (e.g., the tryptophan operon). What will be an ideal response?
Inducible operons save energy for the prokaryotes because the proteins of the operon are only
synthesized when needed for survival.
You might also like to view...
Cilia are exhibited by certain ________.
A. bacteria B. viruses C. protozoa D. algae E. fungi
How are the muscle attachments optimized in animals evolved for movement through the soil?
a. The attachments produce levers that move relatively rapidly. b. The attachments produce levers that need to apply large forces for movement. c. The attachments produce levers that move relatively slowly, but need to apply only small forces for movement. d. The attachments produce levers that move rapidly, but need to apply only small forces for movement. e. The attachments produce levers that swing freely.
What cellular process is represented in the accompanying figure?
a. lysis
b. exocytosis
c. cotransport
d. pinocytosis
e. facilitated diffusion
In a(n) (hypertonic/isotonic/hypotonic) solution, an animal cell can gain so much water that it may burst
What will be an ideal response?