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Exam 2: Foundations: The Cell

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Question 51

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Protein producing organelles are the

A) nucleus.
B) Golgi apparatus.
C) mitochondria.
D) lysosomes.
E) ribosomes.

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Question 52

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The continual movement and exchange of vesicles to and from the plasmalemma is called ________.

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Question 53

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Large areas of opposing plasmalemma may be interconnected by transmembrane proteins called ________ or CAMs.

Figure 2.3 Using the figure above, identify the location where each process occurs. -Target molecules (ligands)bind to receptors in plasmalemma.

Figure 2.2 Using the figure above, identify the labeled parts. -Label G: ______________________________

Chemical communication between the nucleus and the cytosol occurs through ________.

Some integral proteins form ________ that let water molecules, ions, and small water-soluble compounds cross the membrane.

If a cell lacked centrioles, it would be unable to

Cells float in a watery medium called

Figure 2.4 Using the figure above, identify the labeled part. -Label D: ______________________________

The term used to describe the property of being able to pass through the membrane is ________.

Figure 2.4 Using the figure above, identify the labeled part. -Label A: ______________________________

Microfilaments are slender protein strands, usually composed of the protein ________.

A passive process that involves movement of substances from an area of higher concentration to an area of lower concentration is called ________.

Figure 2.2 Using the figure above, identify the labeled parts. -Label B: ______________________________

An active process for transporting liquid across a plasmalemma is

Organelles that produce most of the ATP required by the cell are called ribosomes.

How does the plasmalemma change either over time or in response to modifications in the extracellular fluid

Figure 2.1 Using the figure above, identify the labeled part. -Label H: ______________________________

Figure 2.2 Using the figure above, identify the labeled parts. -Label A: ______________________________