Most scientists believe that the dinosaurs went extinct due to
a. runaway global warming.
b. competition from early mammals.
c. a meteorite impact.
d. a pandemic disease.
e. unknown causes.
c
Biology & Microbiology
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Dyes are usually added to sections of biological specimens to increase
(a) resolving power. (b) magnification. (c) contrast. (d) all of the above.
Biology & Microbiology
The Transcription Complex
What will be an ideal response?
Biology & Microbiology
A genetic disease causing an abnormal attachment of muscles to the bones of the little finger is
a. syndactyly. b. polydactyly. c. campodactyly. d. multidactyly. e. extradactyly.
Biology & Microbiology
Which of the following cellular structures is characteristic of amoebas?
A) pseudopodia B) microvilli C) cilia D) flagella
Biology & Microbiology