The Gram-staining procedure is an example of ________.
A. negative staining
B. differential staining
C. fluorescent staining
D. simple staining
Answer: B
Biology & Microbiology
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If a population speciates in the absence of a
physical barrier it is known as
a. sympatric speciation. b. disruptive selection. c. directional selection. d. hybrid sterility. e. allopatric speciation
Biology & Microbiology
The epidemic relapsing fever in humans is transmitted by
A. hard-shelled ticks B. body louse C. direct contact D. soft-shelled ticks
Biology & Microbiology
During which phase does DNA replication stop and the DNA begin to appear grainy and start to condense?
A. Interphase B. Early prophase C. Prophase D. Anaphase E. Early anaphase
Biology & Microbiology
The urethra in females is much longer than in males.
Answer the following statement true (T) or false (F)
Biology & Microbiology