In Gram staining, ethanol-acetone is used as a
A. decolorizing agent.
B. counterstain.
C. mordant.
D. drying agent.
E. primary stain.
Answer: A
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Carbon dioxide dissolves in water to form ____
Fill in the blank with the appropriate word.
Anti-virals for the influenza virus administered within the first 24-48 hours of the onset of illness can decrease the duration of the flu by at least 3 days. ?
Indicate whether the statement is true or false
What should biologists do when two similar organisms that were originally thought to be separate species are found to interbreed freely and produce normal offspring whenever they live in the same habitat?
A) Retain the two species' names if the organisms have very different appearances. B) Separate the two groups until they become dissimilar enough to prevent interbreeding. C) Consider both types to be a single species. D) Develop a new name for the hybrids.
Carbon monoxide causes a decrease in oxygen transport to muscles during exercise.
a. true b. false