The process of cytokinesis often occurs simultaneously with which phase?
a) telophase
b) anaphase
c) interphase
d) prophase
e) metaphase
Answer: a) telophase
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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?