Compared to eukaryotes, prokaryotic cells lack which structure(s)?
A. A nucleus
B. Membrane bound organelles
C. Only A
D. All of the above
Ans: D. All of the above
You might also like to view...
Which one of the following bacterial translational proteins is not a GTP-binding protein?
A. IF-2 B. EF-Tu C. EF-G D. RF-1
Anchovies are an efficient fish to catch because they:
a. are grazers. b. are filter feeders. c. travel in large dense schools. d. are small fish. e. swim quickly.
Bacteria captured by white blood cells are collected in vesicles and destroyed by ____
a. smooth ER b. peroxisomes c. Golgi bodies d. ribosomes e. lysosomes
A 25-year-old woman is seen on an emergency basis while in shock, with generalized flushing of the skin and mucous membranes. A tampon is present in her vagina. Toxic shock syndrome is suspected. Which of the following mechanisms is responsible for the toxic shock syndrome?
A. Inhibition of acetylcholine release B. ADP ribosylation of ribosomal protein C. Stimulation of G protein D. Cross-linking of MHC II and TCR proteins E. Activation of adenylate cyclase