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| 1 |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0072919264/63064/0301.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (164.0K)</a>]]>
Which structure(s) are common to all animal cells? |
 | A) | nucleus |
| B) | cytosol |
| C) | cell membrane |
| D) | all of the above |
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| 2 | Which structure is the sight of protein synthesis? |
| A) | the Golgi vesicle |
| B) | the smooth endoplasmic reticulum |
| C) | the rough endoplasmic reticulum |
| D) | the nucleus |
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| 3 | Which structure increases cell surface area? |
| A) | microtubules |
| B) | microfilaments |
| C) | microvilli |
| D) | inclusions |
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| 4 |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0072919264/63064/0304.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (115.0K)</a>]]>
The channel illustrated above is: |
| A) | a peripheral membrane protein |
| B) | an integral membrane protein |
| C) | an enzyme |
| D) | none of the above |
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| 5 | The glycolipids and glycoproteins function to: |
| A) | increase cell surface area |
| B) | provide structural support to the cell |
| C) | confer each cell's unique identity or fingerprint |
| D) | increase membrane fluidity |
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| 6 | The prevailing model of the cell membrane is known as: |
| A) | the protein model |
| B) | the fluid model |
| C) | the fluid-mosaic model |
| D) | the mosaic model |
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| 7 |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0072919264/63064/0307.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (41.0K)</a>]]>
The above illustration represents: |
| A) | diffusion |
| B) | osmosis |
| C) | facilitated diffusion |
| D) | active transport |
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| 8 | The larger particles do not move because: |
| A) | the concentration gradient is too small |
| B) | the concentration gradient is too large |
| C) | the membrane is impermeable |
| D) | the membrane is semi-permeable |
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| 9 |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0072919264/63064/0309.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (93.0K)</a>]]>
The integral membrane protein depicted above is: |
| A) | a pore |
| B) | a transmembrane protein |
| C) | an enzyme |
| D) | all of the above |
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| 10 | This process is an example of: |
| A) | diffusion |
| B) | active transport |
| C) | facilitated diffusion |
| D) | osmosis |