A&p Self Quiz Chapter 3
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Welcome to the third chapter of our ongoing quiz series on the topic of physiology, where we’ll be looking at such topics as cells, DNA, mRNA, membranes, meiosis and much more! What can you tell us about them all? Find out in this A&P Self Quiz Chapter 3!
- 1.The three major parts of the cell are the , , and .
- 2.Cell death that is genetically programmed is known as , while cell death which is due to tissue injury is known as .
- 3.are special DNA sequences located at the ends of chromosomes and whose erosion contributes to cellular aging and death.
- 4.The mRNA base sequence that is complementary to the DNA base sequence ATC would be .
- 5.A small membrane surface area will increase the rate of diffusion across the cell membrane.
- A.
True
- B.
False
- 6.The cells created during meiosis are genetically different from the original cell.
- A.
True
- B.
False
- 7.An important and abundant active mechanism that helps maintain cellular tonicity is the Na+/K+ ATPase pump.
- A.
True
- B.
False
- 8.If the concentration of solutes in the ECF and ICFs are equal, the cell is in a(n) solution.
- A.
Hypertonic
- B.
Hydrophobic
- C.
Saturated
- D.
Hypotonic
- E.
Isotonic
- 9.Which membrane protein is incorrectly matched with its function?
- A.
Receptor: allows recognition of specific molecules
- B.
Ion channel: allows passage of specific ions through the membrane
- C.
Carrier: allows cells to recognize each other and foreign cells
- D.
Linker: allows binding of one cell to another and provides stability and shape to a cell
- E.
Enzyme: catalyzes cellular reactions
- 10.Which of the following organelles function primarily in decomposition reactions? 1. ribosomes 2. proteasomes 3. lysosomes 4. centrosomes 5. peroxisomes
- A.
2,3, and 5
- B.
3 and 5
- C.
2, 4, and 5
- D.
1 and 4
- E.
2 and 5
- 11.Which of the following statements regarding the nucleus are true? 1. Nucleoli within the nucleus are the sites of ribosome synthesis. 2. The nucleus contains the cell's hereditary units. 3. The nuclear membrane is solid, impermeable membrane. 4. Protein synthesis occurs within the nucleus. 5. In nondividing cells, DNA is found in the nucleus in the form of chromatin.
- A.
1, 2, and 3
- B.
1, 2, and 4
- C.
1, 2, and 5
- D.
2, 4, and 5
- E.
2, 3, and 4
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