The primary advocates of social darwinism were the

Which of the following is an indirect method for estimating the growth of a microbial population involving the measurement of changes in the transparency of a fluid due to the presence of many suspended particles?

Obligate anaerobes have enzymes such as superoxide dismutase to protect them from the damaging effects of oxygen.

A(n) ________ organism requires oxygen for growth.

A fastidious organism might be grown on which of the following types of media?

A means of reproduction in which duplicate DNA molecules are separated by cell elongation, followed by formation of a septum to divide the cytoplasm is called

A selective medium can be formulated either by including inhibitory chemical substances or by leaving out a single crucial nutrient.

Which of the following scientific names is written correctly according to binomial nomenclature? A) Streptococcus Pyogenes B) Staphylococcus aureus C) Shigella flexneri or Shigella flexneri D) Pseudomonas aeruginosa or Pseudomonas aeruginosa E) Proteus mirabilis or Proteus mirabilis

Which of these is the solute?

Which of these is the solvent?