Diphtheria is caused by a member of which of the following genera?
A. Propionibacterium
B. Mycobacterium
C. Corynebacterium
D. Nocardia
Answer: C
You might also like to view...
In Caenorhabditis elegans vulval development, the fate of the progenitor cells is dependent on their proximity to the ____ cell, which secretes epidermal growth factor
Fill in the blank with the appropriate word.
A survivorship curve shows
a. the number of individuals surviving to a particular age. b. the cause of death of an individual. c. the place an organism exists in its environment. d. the organism's trophic level.
A human population will achieve zero population growth if
A) no couple has more than 2 children. B) couples have an average of about 2.25 children each (to account for some children who do not survive to reproduce). C) no couple has more than 1 child. D) the birth rate equals the intrinsic rate of increase r.
The ____________ is used for separation of the chromosomes during ____________ of mitosis.
a. cell wall; anaphase b. flagellum; metaphase c. centromere; anaphase d. kinetochore; prophase e. centromere; telophase