When using the scientific method, scientists make several fundamental assumptions. Which of these does not make sense, based on your knowledge of the scientific method?
A. There are specific causes for events observed in the natural world.
B. The causes for events can be identified.
C. There are general rules or patterns that can be used to describe what happens in nature.
D. An event that occurs repeatedly probably has different causes.
D. An event that occurs repeatedly probably has different causes.
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The sequencing method that cuts the DNA of an entire chromosome into small fragments and then clones these fragments is called
A. shotgun sequencing. B. clone-by-clone sequencing. C. RFLP sequencing. D. consensus sequencing.
Which of the following is true of exponential growth?
A) Exponential growth resembles a straight line when plotted on a graph. B) Exponential growth resembles an S-shaped curve when plotted on a graph. C) Exponential growth occurs when there are many environmental limits to reproduction. D) Exponential growth is growth that continues accelerating with time.
In many spirochetes, multiple flagella combine to form a bundle known as a(n) ________ fibril, which winds around the cell and confers motility on the cell.
Fill in the blank(s) with the appropriate word(s).
Boa constrictors are Pythons lack external limbs but their skeletons reveal bones of tiny hind limbs. What structure is represented in this example?
A. Convergent B. Vestigial C. Homeotic D. Analogous E. Homologous