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Chapter Chapter 4: A Tour of the Cell
 
Pre-Test
 

1 .       The electron microscope has been particularly useful in studying bacteria, because _____. (4.1) [Hint]

 electrons can penetrate tough bacterial cell walls
 bacteria are so small
 bacteria move so quickly they are hard to photograph
 with few organelles present, bacteria are distinguished by differences in individual macromolecules
 their organelles are small and tightly packed together
2 .       Which of the following clues would tell you whether a cell is prokaryotic or eukaryotic? (4.4) [Hint]

 the presence or absence of a rigid cell wall
 whether or not the cell is partitioned by internal membranes
 the presence or absence of ribosomes
 whether or not the cell carries out cellular metabolism
 whether or not the cell contains DNA
3 .       What is the genetic center of the eukaryotic cell? (4.5) [Hint]

 the nucleolus
 the nucleus
 the Golgi apparatus
 the lysosomes
 the rough endoplasmic reticulum
4 .       Which of the following is NOT a function of the smooth endoplasmic reticulum? (4.7) [Hint]

 synthesizing lipids
 regulating the liver's release of sugar to the blood
 detoxifying drugs
 making proteins to be secreted by the cell
 storing calcium
5 .       What are the primary sites of protein production in a living eukaryotic cell? (4.8) [Hint]

 the Golgi apparatus
 ribosomes
 microbodies
 mitochondria
 lysosomes
6 .       The Golgi apparatus mainly functions to modify _____. (4.9) [Hint]

 vitamins
 the nucleolus
 fatty acids
 minerals
 glycoproteins
7 .       Which of the following is stored in the lysosomes of the cell? (4.10) [Hint]

 glycoproteins being prepared for secretion from the cell
 digestive enzymes
 material to make ribosomes
 RNA
 bacteria
8 .       The function of the chloroplast is to _____. (4.14) [Hint]

 digest sugar to provide ATP energy for the cell
 convert one kind of chemical energy to another
 move the cell
 convert light energy to chemical energy
 convert light energy to heat
9 .       Mitochondria are found in _____. (4.15) [Hint]

 plant cells only
 animal cells only
 both plant cells and animal cells
 neither plant cells nor animal cells
 animal cells and bacterial cells but not in plant cells
10 .       Which of the following correctly matches an organelle with its function? (4.19) [Hint]

 mitochondrion ... photosynthesis
 nucleus ... cellular respiration
 ribosome ... manufacture of lipids
 lysosome ... movement
 vacuole ... storage