Cell Biology Exam 3 Date 1. An investigator is studying the effect of a drug tha
ID: 272717 • Letter: C
Question
Cell Biology Exam 3 Date 1. An investigator is studying the effect of a drug that blocks ATP hydrolysis. In thes ed7 cells, under the microscope, which of the fellowing will be observ A Shortened actin flaments Very long actin flaments C. Unchanged actin filaments D. Shortened tubulin flaments 2 Which of the following is/are role(s) of cell signalling? A Cel division B. Cell migration C. Cell survival D. Cell death E. All of the above 3. Rank the following in terms of tensile strength from highest to lowest P) A. Actin >Intermediate filament > Microtubules B. Intermediate filament >Actin >Microtubules C. Microtubules > Actin > Intermediate filament D. Microtubules > Intermediate filament Actin 4 One key function of lysosomes are; A. Intracellular degradation B. Oxidation of toxic molecules C. Sorting of endocytosed material D. Containing the genome 5 Cell signalling only occurs over short ranges A. True B. False 6. A very important property Intermediate filament compared to Actin or Microtubules is/are: A Flexibility B. Strength C. Polarity D. Compatibility 7. Which of the following is/are part of the endomembrane system? A. Nuclear membrane B. ER C. Mitochondria D. Golgi E. AB and DExplanation / Answer
Answer:
2.
Role of cell signalling are cell division, cell,survival,cell death,and cell migration.
Hence, option (E) is correct answer.
3.tensile strength from highest to lowest order is given below:
Intermediate filament>actin>microtubules.
Hence, option (B) is correct.
3.
Key function of the lysosome is intracellular degradation.
Hence, option (a) is correct answer.
4.
Cell signalling occurs over both long and short duration.
Hence, statement is false.
5.
A very important property of intermediate filament is its strength. Hence, option (B) is correct answer.
6.
Part of endomembrane system is nuclear membrane, ER, and Golgi body.
Hence, option (E) is correct answer.
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