Capsules are stained using a(n)
a) negative stain.
b) Gram stain.
c) Schaeffer-Fulton stain.
d) acid-fast stain.
Ans: a) negative stain.
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A terrestrial animal species is discovered with the following larval characteristics: exoskeleton, system of tubes for gas exchange, and modified segmentation. A knowledgeable zoologist should predict that the adults of this species would also feature ___
A) eight legs B) two pairs of antennae C) a sessile lifestyle D) an open circulatory system E) parapodia
Which of the following is not a part of mRNA processing?
A. adding a 5'cap B. removing any exons C. adding a polyA tail. D. removing any introns
A measure of the average kinetic energy of the molecules making up a substance is known as
A. temperature. B. heat. C. potential. D. phase of matter.
Aquifex cannot use which of the following as electron donors?
A. Sulfur B. Glucose C. Hydrogen D. Thiosulfate