mbio-3400 practice lab exam 1

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Texas Tech University *

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3400

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Biology

Date

Apr 29, 2024

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pdf

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8

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Studocu is not sponsored or endorsed by any college or university MBIO 3400 506 Lab Exam 1 091715 Microbiology (Texas Tech University) Studocu is not sponsored or endorsed by any college or university MBIO 3400 506 Lab Exam 1 091715 Microbiology (Texas Tech University) Downloaded by Sidney Sapp (sidneysapp78@yahoo.com) lOMoARcPSD|22622403
Name: MBIO 3400 506 Lab Exam1 September 17, 2015 Q1. Why is Carbon considered an essental nutrient (macronutrient) for the growth of micro organisms? (1 pt) Q2. ___________________ is the most common solidifying agent used in media preparaton. (1 pt) Q3. Match the following: (2 pts) (a) Cocci (i) clusters (b) Bacilli (ii) spherical shape (c) Staphylo (iii) chains (d) Strepto (iv) rod shape Q4. In spore formaton, the stage in which DNA condenses and aligns itself in the center of the cell is called : (1 pt) (a) exosporangium (b) cortex (c) forespore (d) mother cell (e) vegetatve cell Downloaded by Sidney Sapp (sidneysapp78@yahoo.com) lOMoARcPSD|22622403
Name: Q5. During the spore formaton process, as calcium enters the spore (1 pt) (a) water follows it into the cell (b) glucose is removed from the cell (c) water is removed from the cell (d) it becomes a part of the cell membrane Q6. You are provided with a culture of Bacillus thuringensis and asked to perform Endospore staining. Afer fnishing the staining process, you observe the slide under the microscope. Vegetatve cells appear___________ in color, while spores appear_____________ in color. (2 pts) Q7. Spore have a tough outer covering made of the protein _______________________. (1 pt) Q8. What are parfocal objectves? (2 pts) Q9. The 40X objectve is also known as: (1 pt) (a) High- dry objectve (b) Oil- immersion objectve (c) Both of the above (d) None of the above Q10. ____________________________ is a system of lenses that usually magnify the primary image ten tmes. (1 pt) Downloaded by Sidney Sapp (sidneysapp78@yahoo.com) lOMoARcPSD|22622403
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