The first antibiotic to be discovered was_____________?

Related Mcqs:

A group of similar cells that perform a specific function is:

A. Organ B. Tissues C. Organelle D. Organ System...

Which are the four most abundant elements in living cells ?

A. carbon, oxygen, nitrogen, sulfur B. carbon, oxygen, hydrogen, nitrogen C. carbon, oxygen, sulfur, phosphorus D. carbon, sulfur, hydrogen, magnesium...

Cytoskeleton involved in assembly and disassembly of the spindle during mitosis is of_________?

A. Microtubules B. Microfilaments C. Intermediate filaments D. None of these...

Conversion of ammonia or ammonium ion into nitrites during nitrogen cycle occurs due_____________?

A. Rhizobium B. Nitrosomonas C. Nitrobacter D. Pseudomonas...

A group of ribosomes attached to mRNA is known as___________?

A. Polymer B. Polypeptide C. Polysomes D. Monomer...