Catalysts Answers

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Use the drop-down menus to match each phrase below with the type of microscope it describes. creates a two dimensional image is used to study DNA molecules has magnification ability of up to 60,000 times without losing clarity shows arrangement of atoms on surface of molecules has magnification ability of hundreds of thousands of times

A
transmission electron microscope (TEM)
B
scanning electron microscope (SEM)
C
scanning tunneling microscope (STM)
D
transmission electron microscope (TEM)
E
scanning electron microscope (SEM)
F
scanning tunneling microscope (STM)
G
transmission electron microscope (TEM)
H
scanning electron microscope (SEM)
I
scanning tunneling microscope (STM)
J
transmission electron microscope (TEM)
K
scanning electron microscope (SEM)
L
scanning tunneling microscope (STM)
M
transmission electron microscope (TEM)
N
scanning electron microscope (SEM)
O
scanning tunneling microscope (STM)
2
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Which statement is part of cell theory?

A
A cell is the basic unit of all nonliving things.
B
Everything on Earth is made of cells.
C
All cells come from preexisting cells.
3

The original cell theory has been expanded upon since it was first developed to include further additions due to advances in research on the cell. Which statements were not in the original cell theory, but are further explained by the modern cell theory? Check all that apply.

A
All cells are similar in structure and function.
B
Cell contains hereditary information that is passed from cell to cell during cell division.
C
Living cells can be created from dead cells.
D
All cells perform similar metabolic activities.

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