A hypothesis is:
a. an initial observation that is made
b. an explanation that can be tested by experiments.
c. data gathered to prove a theory.
d. the organization of observations made.
b
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Table 3.6 in your textbook uses Paramecium to illustrate several types of light microscopy. Each image is magnified 230X and measures about 4 cm. The actual size of a Paramecium is about ________.
A. 0.2 ?m B. 4,000 ?m C. 57.5 ?m D. 175 ?m E. 920 ?m
The idea that many species that once lived are now extinct due to major geologic events is called ________ and was developed by ________
a. catastrophism / Georges Cuvier b. inheritance of acquired traits / Jean-Baptiste Lamark c. principles of geology / Charles Lyell d. evolution / Charles Darwin
The ________ serves as structural support in tissue organization and as a permeability barrier
Fill in the blank with correct word.
How do we know that transcription termination in bacteria does not solely rely on examination of the DNA template?
What will be an ideal response?