Nitrifying bacteria belongs to the nutritional class of?
A.
Chemoorganoautotrophy
B.
Photolithoautrophy
C.
Chemolithoautotrophy
D.
Photoorganohetrotrophy
Answer: Option C
Explanation:
Nitrifying bacteria include species of Nitrosomonas, Nitrococcus, Nitrobactor, and Nitrococcus. These are chemolithoautotrophic organisms which get energy by oxidation of inorganic nitrogen compounds.
Name the protein which plays an important role in cell division?
A.
Actin
B.
FtsZ
C.
HSP
D.
HU
Answer: Option B
Explanation:
FtsZ is homologous to tubulin, which is a building block of the microtubule in eukaryotes. The concentration of FtsZ in the cell will define the frequency of cell division.