What is believed to be the ancestral group to the animals?
a. Archaebacteria
b. Colonial protists
c. Bacteria
d. Flagellated fungi
e. Green algae
b
Biology & Microbiology
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Enzymes used to insert a foreign gene into a plasmid include
(a) DNA ligase. (b) vectors. (c) restriction enzymes. (d) both a and c.
Biology & Microbiology
Which of the following is not normally considered a pathogenic species of Clostridium?
A. C. perfringens B. C. tetani C. C. acetobutylicum D. C. botulinum
Biology & Microbiology
What is the probability of flipping a penny and a nickel and obtaining one head and one tail?
What will be an ideal response?
Biology & Microbiology
What differentiates gram-positive bacteria from gram-negative bacteria?
A) Nutrient requirements B) The appearance of colonies C) The means of locomotion D) The use of oxygen E) The way the cell wall stains
Biology & Microbiology