In each blank, try to type in the
word that is missing. If you've
typed in the correct word, the
blank will turn green.
If your not sure what answer should be entered, press the space bar and the next missing letter will be displayed. When you are all done, you should look back over all your answers and review the ones in red. These ones in red are the ones which you needed help on. Question: Describe the of microscopes.Answer: Microscopes started out as simple light microscopes, moving on to electron like scanning el. mic., trasmission em, and scanning tunneling microscopes. Question: Evaluate the microscope's on the study of cells.Answer: They helped study cells because you see them up close. Question: How does the cell describe the levels of organization of living organisms?Answer: It says that it all with the cell. Question: Compare the sources of the beam in a light microscope to that in an microscope.Answer: Light micro. use , and electron use beams of electrons. Question: Describe the differences between a prokaryotic and a eukaryotic cell, and identify their .Answer: P: don't have membrane-bound organelles
usually unicellular
E: are mem. bound and generally multicellular
p: have , DNA, cell walls
e: have only nuclei, chromosomes, ERs, etc. Question: Explain the difference between a scanning electron microscope and a transmission electron and their uses.Answer: Scanning scan surafces to see the cell's 3D shape. Transmission stud the insides of . Question: Suppose you a new type of plant. Applying the cell theory, what can you say for certain about this organism?Answer: It:
Has cells
It's basic structure is cells
It came from preexisting cells. |
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