Microbiology

Microbiology Study Guide

6. What helps the bacteria to move in processes like chemotaxis or phototaxis? a. Pili b. Axial filaments c. Glycocalyx substances d. Flagella 7. What is the function of cytoskeleton in eukaryotic cells? a. It supports and gives rigidity and shape to the cell b. It stores materials to be used for energy c. It oxidizes amino acids in animal cells and fats in plant cells d. It contains digestive enzymes that digest the substances in vacuoles 8. What is present in protozoa that help to remove excess water and food? a. Flagella b. Contractile vacuoles c. Cilia d. Pseudopodia 9. Which of the following is a form of macro-nutrients necessary for the growth of organisms? a. Zinc b. Manganese c. Nickel d. Proteins 10. In which form of bacterial recombination do bacterial viruses transfer DNA fragments from one bacterium (the donor) to another bacterium (the recipient)? a. Transduction b. Transformation c. Conjugation d. None of the above Answer Keys found on page 131

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