In performing a Gram's staining techniques, the decolorization reagent is
A. A mixture of acetone and alcohol
B. A mixture of different alcohols
C. A mixture of acid and alcohol
D. A mixture of acetone and ether
E. none of the above
Ans: A. A mixture of acetone and alcohol
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Cytokinesis in animal cells involves contraction of a ring of ____ microfilaments
a. tubulin plus actin b. actin plus myosin c. cyclin plus myosin d. cohesin plus actin e. cyclin plus actin
disorder affecting colon and rectum which involves hardened feces
What will be an ideal response?
The hundreds of species of Drosophila in Hawaii exhibit different mating rituals. This isolating mechanism is
A. prezygotic and temporal. B. prezygotic and behavioral. C. prezygotic and geographical. D. prezygotic and ecological. E. postzygotic and mechanical.