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Chapter 7 Cellular Structure and Function
Section 1-Cell Discovery & Theory Assessment ?'s
1-3 Each of the following is a false statement.
Make the sentence true by replacing the italicized word
with a vocabulary term from: cell, cell theory, eukaryotic cell, nucleus, organelle, plasma membrane (cell
membrane),
prokaryotic
cell
cetl'~
1.
The RI:IG!e(,l~ is a~ucture
2.
A(n)
3.
~
4.
tpi/ri:y;f%nas
that surrounds a cell and helps control what enters and exits the cell.
membrane-bound
organelles.
are basic units of all organisms.
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If a microscope has a series of three lenses that magnify individually
'total magnification
a.
25X
when looking through the lenses ofthis compound
b. 35X
c. [email protected]
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Which is not part of the cell theory?
a.
The basic unit of life is the cell.
b.
Cells came from preexisting cells
c.
All living organism are composed of cells
@ Cells contain
6.
microscope?
175X
State why you chose this answer:
5.
5X, 5X and 7X, what is the
The illustration
membrane-bound
organelles
depicts which kind of cell?
note: not nucleus
7.
Math in Biology:
8.
If the overall magnification
the magnification
by a 7X lens.
~~
Biology
of a series of two lenses is 30X, and one lens magnified 5X, what is
of the other lens? Calculate the total magnification
(Ex'
if the 5X lens is re
ace
G X x 7X:::
~
'I
Name
Date
Class
_
CHAPTER 7
Section
Section 1: Cell Discovery and Theory
Quick Check
After reading the section in your textbook, respond to each statement.
1. Describe the discovery of the cell. Mention Robert Hooke and Anton
van Leeuwenhoek in your answer.,
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4. Evaluate the impact of microscope technology on the modern study of cells.
Unit 2
CHAPTER 7 Cellular Structure and Function
59
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