In lab, inoculating loops are sterilized using ________.

A. moist heat
B. filtration
C. incineration
D. chemicals
E. gas sterilization


Answer: C

Biology & Microbiology

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A plant species where each plant can only make either male or female flowers is called a ____ species and always has

____ flowers.

a. monoecious; complete b. dioecious; imperfect c. dioecious; complete d. monoecious; imperfect e. monoecious; perfect

Biology & Microbiology

Amorphophallus titanum has the largest unbranched inflorescence in the world, reaching over 10 feet in height. One would normally celebrate the existence of such an enormous flower. Regretfully, the scent of the flower has been compared to a “herd of rotting water buffalos.” Which of the following is most likely the pollinator for such a plant?

a. bees b. butterflies c. flies d. birds

Biology & Microbiology

Some flowers bloom in the spring, while others bloom in the summer. This is an example of reproductive isolation.

A. prezygotic B. sympatric C. allopatric D. parapatric E. postzygotic

Biology & Microbiology

Vaccinia virus is often used in the technique to make

A. antibodies to toxin. B. an adjuvant. C. gamma globulin. D. a "Trojan horse" recombinant vaccine. E. a booster.

Biology & Microbiology