Human Anatomy and Physiology
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Quiz
Chapter 3
Cells

1. The plasma membrane consists of
mostly proteins.
entirely of phospholipids.
phospholipids, proteins, and carbohydrates.
carbohydrates and lipids.

2. The cytoplasm is the term for
all cell organelles combined.
microtubules and microfilaments.
the fluid portion of the cell (cytosol).
the cytosol plus the cell organelles and inclusions.

3. Endocytosis is an example of
excretion.
passive transport.
active transport.
simple diffusion.

4. The movement of water across a selectively permeable membrane is called
osmosis.
facilitated diffusion.
active transport.
filtration.

5. Which of the following is necessary for diffusion to occur?
a concentration gradient.
a selectively permeable membrane.
a hypertonic solution.
cellular energy.

6. A red blood cell placed in a hypotonic solution
loses water.
gains water.
neither gains nor loses water.
shrinks

7. Chromatin is found in the
nucleus.
ribosomes.
mitochondria.
lysosomes.

8. The packaging and sorting of proteins is the function of the
endoplasmic reticulum.
Golgi apparatus.
mitochondria.
nucleus.

9. Protein synthesis occurs at the
mitochondria.
Golgi apparatus.
ribosomes.
lysosomes.

10. Which of the following are considered the "powerhouses" of the cell?
lysosomes.
ribosomes.
nucleolus.
mitochondria.

Score =
Correct answers:

 

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