Biology 101

Chapter 7: Cell Structure & Function

1) Which microscope is usually good for use on living unstained cells?

2) What is the microscope used to see proteins?

3) How high is the magnification of a light microscope?

4) Bacterial cells are prokaryotic, in comparison to typical eukaryotic cell they:

A. Their organelles are small and packed together

B. Have fewer internal membranous compartments

5) All of these can be founded in a bacterium except:

6) Which type of organelle is found in plant cells but NOT in animal cells?

7) A cell with a predominance of free ribosome is most likely:

B. Producing primarily cytoplasmic proteins

D. Constructing an extensive cell wall

E. Producing primarily proteins for secretion

8) Which of the following is responsible for synthesis the ribosomes:

C) One of their nitrogenous bases is different

10) In muscle cells _____ is responsible for the storage and release of calcium
ions

11) Which of the following organelles is linked to Tay-Sachs disease?

12) Which of the following is not in endomembrane system?

13) What mechanisms do plants use to transport sucrose produced by photosynthesis into specialized cells in leaves against its concentration gradient?

14) What types of proteins are not synthesized in the rough ER?

15) Which of the following manufactures some macromolecules such as pectin?

16) Which of the following contains enzymes that transfer hydrogen from various substrates to oxygen?

17) Which of the following break fatty acids to sugars in fatty tissues in plants?

18) Thylakoids, DNA, and ribosomes are all components found in?

19) Movement of vesicles within the cell depends on what cellular structure?

A. Actin filaments and microtubules

C. Actin filaments and intermediate filaments

E. Microtubules and motor proteins

20) Which cytoskeletal elements are responsible for the formation of pseudopodia?

22) The function of Intermediate filaments is?

23) Animal cells adhere together strongly through ____ which are supported by intermediate filaments.

24) Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through?

25) What is the most abundant glycoprotein in the ECM of animal cells?

26) A type of junctions that prevent flow of fluid between cells in epithelial tissue:

27) Motor proteins interact with what structures to achieve organelle movement in cells: