Cultures of a bacterial species were incubated on the shelf of a refrigerator, out on a lab bench top, on the shelf of a 37°C incubator and on the shelf of a 50°C incubator. After incubation, there was no growth at 37°C and 50°C, slight growth out on the bench top and abundant growth at refrigeration. What term could be used for this species?
A. Psychrophile
B. Mesophile
C. Halophile
D. Capnophile
E. Anaerobe
Answer: A
You might also like to view...
Which of the following statements about isotopes in living systems is false? a. Radiation can be used to create visual images
b. Living organisms can avoid taking up a radioactive isotope but still absorb the normal isotope of the same element. c. Radioactive sugar is used to measure rates of cell activity. d. Radioisotopes can be used as tracers to follow the movement of an element through a living system.
The central nervous system first forms during
A. fertilization. B. cleavage. C. gastrulation. D. neurulation. E. organogenesis.
Which of these white blood cells are phagocytic?
A. neutrophils B. macrophages C. lymphocytes D. both neutrophils and macrophages E. both lymphocytes and macrophages
Skin lesions described as "dewdrops on rose petals" are characteristic of (chickenpox/monkeypox/shingles)
What will be an ideal response?