In general, microbial growth in the open ocean is most limited by the availability of ________.
A. iron
B. manganese
C. phosphorus
D. nitrogen
Answer: D
Biology & Microbiology
You might also like to view...
What are antigens?
A. non-self proteins or cells B. proteins on the surface of B-cell membranes C. proteins that consist of two light and two heavy chain polypeptide chains D. proteins on the surface of macrophage membranes E. proteins on the surface of T-cell membranes
Biology & Microbiology
Hydrogen bonds
1.occur between non-polar molecules or groups. 2.are as strong as covalent bonds. 3.occur between polar molecules or groups. 4.never occur in water.
Biology & Microbiology
Which drug may interfere with the beneficial effects of fever?
a. antibiotics b. pain killers c. aspirin d. antidepressants e. muscle relaxants
Biology & Microbiology
What occurs in transduction?
What will be an ideal response?
Biology & Microbiology