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Ch. 4+5 Cells and Membrane

What is the first unifying theory of biology? Cell Theory
Cells are...? (hint: 3 things) fundamental units of life, all organisms are composed of cells, all cells come from pre-existing cells
What are some important implications of cell theory? (hint: 2 things) studying cell biology is the same as studying life and life is continuous
Most cells are tiny in order to...? Maintain a good surface area-to-volume ratio
Volume and surface area of a cell determine....? Volume of a cell determines its metabolic activity relative to time, and the surface ares of a cell determines the number of substances that can enter or leave the cell
To visualize small cells you would need...? light microscope or an electron microscope
What does chemical analysis of cells involve? Breaking cells open to make a cell-free extract
Can the composition and chemical reactions of the extract be examined? yes
Are the properties
Created by: Bmtorres3



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