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Standard B-2: The student will demonstrate an understanding of the structure and function of cells and their organelles.
Standard B-2: The student will demonstrate an understanding of the structure and function of cells and their organelles.
What You Need to Know...
What You Need to Know...
You need to know the cell theory and how continuous investigations and/or new scientific information influenced the development of cell theory.
You need to know how scientific claims are evaluated through scientific argumentation, critical and logical thinking and consideration of alternative explanations, in the context of cell theory.
You need to know the difference between theories and laws and be able to explain how a theory is developed.
Example One
Example One
Cell theory was first proposed in 1838. Evidence obtained through additional scientific investigations resulted in the current cell theory. Which statement describes a component of the original cell theory that was removed because of the new scientific knowledge?
A. All living things are made of cells.
B. All cells come from other preexisting cells.
C. Cells form through spontaneous generation.
D. Cells are the basic structural and functional units of life.
Example Two
Example Two
Which invention from the 17th century allowed for the development of modern cell theory?
A. X-rays
B. computers
C. the light microscope
D. the scanning electron microscope
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