Cytokinesis in both plant and animal cells results in the formation of which of the following?
a) centromeres
b) nuclear membranes
c) two daughter cells
d) spindle fibers
e) two haploid cells
Answer: c) two daughter cells
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Biology Chapter 6
- ____ aid in the coordination of the activities of adjacent animal cells.
- The primary role of _____ is to bind animal cells together.
- Which of these cell junctions form a barrier to the passage of materials?
- Which structure is not part of the endomembrane system?
- Which of these organelles produces H2O2 as a by-product?
- ____ is/are identical in structure to centrioles.
- Which of these are hollow rods that shape and support the cell?
- Where is calcium stored?
- The _____ is a selective barrier, regulating the passage of material into and out of the cell.
- Which of these manufactures cellular membranes by adding membrane proteins and phospholipids to its own membrane?
- ____ are the sites of protein synthesis.
- Ribosomal subunits are manufactured by the _____.
- The _____ is composed of DNA and protein.
- Which of these organelles carries out cellular respiration?
- What is the most likely pathway taken by a newly synthesized protein that will be secreted by a cell?
- Which cell would be best for studying lysosomes?
- Which of the following are common traits of chloroplasts and mitochondria?
- Which one of the following statements about the endomembrane system is correct?
- Which of the following correctly matches an organelle with its function?
- Nucleoplasmin is a nuclear protein. This protein was divided into two segments and linked to the same large cytoplasmic protein, generating two fusion proteins. After injecting these fusion proteins into a cell, one of the proteins was found in the nucleus and the other in the cytoplasm. Which of the following conclusions can be drawn from these results?
- In experiments to test whether a protein can enter the nucleus, why would proteins be labeled with fluorescent molecules?
- A small protein (molecular weight = 25,000 daltons) is injected into a cell and observed in the nucleus a short time later. What type of transport has taken place?
- True or false? Large proteins containing a nuclear localization signal (NLS) bind to the nuclear pore and enter the nucleus without any expenditure of energy.
- Which of the following statements about the nuclear envelope is false?
- Which molecules do not normally cross the nuclear membrane?