When a 5-kb circular plasmid is digested with a restriction enzyme that has three recognition sites on the plasmid, how many bands can be visualized on an agarose gel?

A) 1 B) 2 C) 3 D) 4


Answer: C

Biology & Microbiology

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You discover a fungus that makes both sexual and asexual spores. The sexual spores are made in groups of eight within a structure that bursts open to release the spores. The structures containing sexual spores are found within a multicellular structure that is about five inches tall. Into which group should you classify this fungus?

a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota

Biology & Microbiology

Four of the five answers listed below are molecules that participate in muscle contraction. Select the

exception. a. sarcolemma b. ATP c. calcium d. actin e. myosin

Biology & Microbiology

One conclusion that can be drawn from Figure 38-1 is that:


a. a low ratio of auxin to cytokinin stimulates root development.
b. a low ratio of auxin to cytokinin stimulates shoot development.
c. a low ratio of auxin to cytokinin results in undifferentiated growth.
d. a low ratio of auxin to cytokinin stimulates the formation of an entire plant.
e. a low ratio of auxin to cytokinin results in no growth.

Biology & Microbiology

Which gram positive bacilli matches with number 6's image/description?

A) Clostridium B) Corynebacterium C) Listeria D) Mycobacterium E) Bacillus F) Propionibacterium

Biology & Microbiology