What membrane is infected in meningitis?
A. lining of the heart
B. lining of the brain and spinal cord
C. lining of the lungs
D. lining of the digestive tract
E. lining of the reproductive tract
Answer: B
You might also like to view...
Algins, compounds used in the food industry,
are obtained from
a. foraminiferans. b. brown algae. c. dinoflagellates. d. red algae. e. green algae.
The radioactive decay of an isotope can be best
compared to a
a. clock. b. radio. c. mp3 player. d. metronome. e. microwave oven
New ecological roles that were not previously exploited by an ancestral organism are referred to as:
a. paedomorphosis. b. adaptive zones. c. punctuated equilibrium. d. adaptive radiation. e. sympatric speciation.
A newly identified bacterial pathogen has been shown to cause disease in humans, disrupting the production of some proteins by interfering with the function of the endoplasmic reticulum of liver cells. Under specific growth conditions, this bacterial strain secretes a protein that appears to be responsible for the pathology of the disease. This protein is composed of two polypeptide chains, one of which binds to a receptor on the surface of liver cells, stimulating the uptake of the protein by endocytosis. Once inside the cell, the other polypeptide component interferes with the activity of ribosomes bound to the endoplasmic reticulum. This bacterial protein will most likely be classified as a/an __________.
A) superantigen B) A-B toxin C) invasin D) membrane-disrupting toxin E) bacterial kinase