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Exam 2: Foundations: The Cell

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Question 61

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An active transport process that produces cytoplasmic vesicles filled with extracellular fluid is called ________.

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Question 62

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The mitochondrion is enclosed by a double membrane with numerous folds, or cristae, in the inner membrane; the fluid matrix of these organelles contains important metabolic enzymes.

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Question 63

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A phospholipid has two functionally different areas: hydrophilic heads and ________ tails.

Recycling and changing the plasmalemma is the major function of which organelle

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

The cytosol contains a high concentration of potassium ions, while the extracellular fluid usually contains a high concentration of ________ ions.

Which of the following is located in the cytoplasm

The nucleus is separated from the cytosol by the ________.

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

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

The main components of the plasmalemma include phospholipids, glycolipids, proteins, and ________.

The membrane of a cell is composed of a ________ bilayer.

The process of engulfing solid objects that may be as large as the cell itself is called ________.

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

A passive process that involves the movement of water (solvent)molecules toward solute concentrations across a membrane is called facilitated diffusion.

Which of the following shows the fine structure of a plasmalemma (cell membrane) and the details of intracellular structures

________ filaments provide strength, stabilize the position of organelles, and transport materials within the cytoplasm; they are defined by their size rather than composition, which varies from cell to cell. (Note: Be sure the first letter of your answer is capitalized).

Figure 2.3 Using the figure above, identify the location where each process occurs. -The lysosomal and endosomal membranes separate.

The fundamental units of all plant and animal tissues are ________.

The endoplasmic reticulum is the organelle responsible for the synthesis of organic products and provides for intracellular storage and transport.