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1. Which of the following is a
not a fundamental idea of
cell theory?
A) All organisms contain
prokaryotic cells.
B) Cells arise only from pre-
viously existing cells.
C) Cells are the basic unit
of structure for all living or-
ganisms.
D) All living organisms are
composed of one or more
cells.
2. A ____ contains polar and d
nonpolar ends, forming
the plasma membrane.
A) microtubule
B) transport protein
C) cytoskeleton
D) phospholipid bilayer
3. A cell's genetic material is b
contained in the ____.
A) plasma membrane
B) nucleus
C) unicellular bacteria
D) phospholipid bilayer
4. In which cell structure are b
ribosomes produced?
A) microtubules
, Biology Chapter 7 Test
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B) nucleolus
C) plasma membrane
D) golgi apparatus
5. Why does a cell in hypoton- water entered by osmosis until the osmotic pressure ruptured the
ic cell become damaged? cell.
6. The semifluid environment C
inside the plasma mem-
brane is called ____.
A) endoplastic reticulum
B) microtubules
C) cytoplasm
D) mitochondria
7. What is the significance of d
an ER?
A) provides a location for
DNA production
B) helps decrease surface
area
C) allows selective perme-
ability of cell membrane
D) facilitates breakdown of
chemical bonds
8. Vesicles that digest a
worn-out organelles or
food particles are called
____.
A) lysosomes
B) centrioles