Homework Answers
1. The purpose of this lab is to find and study the stuctural and functional classes of microorganisms which are present every where in the nature.
2.An organism that is not directly dependent on another organism for survival is a free living organism whereas pathogens are dependent on another organism for survival
3.An infectious microorganism that is normally a commensal or does not harm its host but can cause disease when the host’s resistance is low.
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Lab Report: Ex 2-1: Ubiquity of Microorganisms Pre-lab Questions Purpose: What is the purpose of this...
1. What is the purpose of the lab Airborne microorganisms? 2. What is the purpose of...
1. What is the purpose of the lab Airborne microorganisms? 2. What is the purpose of the lab Gram stain ?
Experiment 9: Pre-Lab Questions 1. Why is respiration important for living organisms? 2. (Circle one) a....
Experiment 9: Pre-Lab Questions 1. Why is respiration important for living organisms? 2. (Circle one) a. Yeast is heterotrophic or autotrophic b. TRUE OR FALSE. Yeast can carry out both aerobic and anaerobic cellular respiration. 3. What gas will be produced by the yeast, making the balloon bigger? 4. Explain the difference between aerobic respiration and anaerobic respiration. Which is more efficient in terms of energy? 5. What is the purpose of using various temperatures in this experiment? Explain 116
UNTUWI Pre-lab Respiration Tests Ex 5-5: Catalase Test Pre-lab questions: What are the two enzymes produced...
UNTUWI Pre-lab Respiration Tests Ex 5-5: Catalase Test Pre-lab questions: What are the two enzymes produced by aerobic and facultative anaerobes to survive in the presence of oxygen? • What is the function of catalase? • What is reagent used for checking the presence of catalase? • What is the molecule that bubble out in a positive catalase test? EX 5-6: Oxidase Test Pre-lab questions • What is the purpose of oxidase test? • What is the function of oxidase...
Ubiquity of Microorganisms and Quadrant Streaking POST LAB DATE: SECTION: NAME: INSTRUCTOR: OULU Questions 1. in...
Ubiquity of Microorganisms and Quadrant Streaking POST LAB DATE: SECTION: NAME: INSTRUCTOR: OULU Questions 1. in microbiology lab, what is the function of an incubatore 2. Define: A. pure culture B. mixed culture C. Chromogenesis D. Enriched media E. Selective media F. Reducing media 3. What is the purpose of quadront streaking 4. Why should nutrient medium always be sterile before it is inoculated with a microbial specimen for culture and isolation 5. Why can't all microorganisms grow on a...
1.Pre-Lab Questions What are two ways that some prokaryotes are able to survive in extreme environments?...
1.Pre-Lab Questions What are two ways that some prokaryotes are able to survive in extreme environments? Describe three ways that microorganisms in soil contribute to the ecosystem as a whole. Give two examples of genera that produce endospores, and explain why they are important in human health. What are coliforms? Why are they important in assuring water quality? Why is E. coli the indicator bacterium for fecal contamination? 2.Experiment 1: Bacterial Isolation from Soil Samples Post-Lab Questions Observe the two...
Lab Report: Ex 1-3: Aseptic Techniques and Inoculation Methods Pre-lab Questions: • List two main reasons...
Lab Report: Ex 1-3: Aseptic Techniques and Inoculation Methods Pre-lab Questions: • List two main reasons to use aseptic techniques. • What should you see when your Bunsen burner is properly adjusted? • Which part of the flame you would use to sterilize inoculating instruments • Which hand you should hold your inoculating loop? How do you sterilize your inoculating loop? • Why do we have to hold open tubes at an angle? • Where and how should you hold...
Electrochemistry Lab Report Pre-Lab Questions: 1) Define the terms oxidation and reduction in a chemical reaction....
Electrochemistry Lab Report Pre-Lab Questions: 1) Define the terms oxidation and reduction in a chemical reaction. 2) What does it mean for a metal to be more active in a single displacement reaction?
Microbiology Lab Safety PRE-LAB QUESTIONS. 1. What constitutes personal protective equipment? When should personal protective equipment...
Microbiology Lab Safety PRE-LAB QUESTIONS. 1. What constitutes personal protective equipment? When should personal protective equipment be worn? Why is personal protective equipment important? 2. Why are there increasing levels of biological containment procedures? What level of biological containment will be necessary to complete the experiments in this manual? 3. What document should you refer to if you have questions regarding the safety or disposal of a chemical? Where can this document be located? 4. List five safety procedures that...
Beer’s Law experiment Beer's Law Name Date PRE-LAB QUESTIONS 1. What is the purpose of the...
Beer’s Law experiment
Beer's Law Name Date PRE-LAB QUESTIONS 1. What is the purpose of the nitric acid in this experiment and why is this important? 2. Why is it important to use the blank reagent in this experiment? Why should you wait until you are ready to record each individual reading with the Spec-20 to add KSCN? 3. 4. Why must the determinations of the unknown be done on the same day the calibration is run? 169
6 microscopes slides and coverslips Vinegar Compound microscope PRE-LAB QUESTIONS 1. Define diffusion. Define osmosis. 2....
6 microscopes slides and coverslips Vinegar Compound microscope PRE-LAB QUESTIONS 1. Define diffusion. Define osmosis. 2. diffusion being Which factors that influence the rate in 3. n. INTRODUCTION Living organisms are roughly 75-85% water. This makes water the universal solvent for biological solutions. Sugars, proteins, electrolytes, and organic molecules such as hormones are examples u In fa st all.cubctancer entering or leaving cells of difforont hielegieal ce.. dieeiad in
Experiment 9: Pre-Lab Questions 1. Why is respiration important for living organisms? 2. (Circle one) a. Yeast is heterotrophic or autotrophic b. TRUE OR FALSE. Yeast can carry out both aerobic and anaerobic cellular respiration. 3. What gas will be produced by the yeast, making the balloon bigger? 4. Explain the difference between aerobic respiration and anaerobic respiration. Which is more efficient in terms of energy? 5. What is the purpose of using various temperatures in this experiment? Explain 116
UNTUWI Pre-lab Respiration Tests Ex 5-5: Catalase Test Pre-lab questions: What are the two enzymes produced by aerobic and facultative anaerobes to survive in the presence of oxygen? • What is the function of catalase? • What is reagent used for checking the presence of catalase? • What is the molecule that bubble out in a positive catalase test? EX 5-6: Oxidase Test Pre-lab questions • What is the purpose of oxidase test? • What is the function of oxidase...
Ubiquity of Microorganisms and Quadrant Streaking POST LAB DATE: SECTION: NAME: INSTRUCTOR: OULU Questions 1. in microbiology lab, what is the function of an incubatore 2. Define: A. pure culture B. mixed culture C. Chromogenesis D. Enriched media E. Selective media F. Reducing media 3. What is the purpose of quadront streaking 4. Why should nutrient medium always be sterile before it is inoculated with a microbial specimen for culture and isolation 5. Why can't all microorganisms grow on a...
Lab Report: Ex 1-3: Aseptic Techniques and Inoculation Methods Pre-lab Questions: • List two main reasons to use aseptic techniques. • What should you see when your Bunsen burner is properly adjusted? • Which part of the flame you would use to sterilize inoculating instruments • Which hand you should hold your inoculating loop? How do you sterilize your inoculating loop? • Why do we have to hold open tubes at an angle? • Where and how should you hold...
Electrochemistry Lab Report Pre-Lab Questions: 1) Define the terms oxidation and reduction in a chemical reaction. 2) What does it mean for a metal to be more active in a single displacement reaction?
Microbiology Lab Safety PRE-LAB QUESTIONS. 1. What constitutes personal protective equipment? When should personal protective equipment be worn? Why is personal protective equipment important? 2. Why are there increasing levels of biological containment procedures? What level of biological containment will be necessary to complete the experiments in this manual? 3. What document should you refer to if you have questions regarding the safety or disposal of a chemical? Where can this document be located? 4. List five safety procedures that...
Beer’s Law experiment
Beer's Law Name Date PRE-LAB QUESTIONS 1. What is the purpose of the nitric acid in this experiment and why is this important? 2. Why is it important to use the blank reagent in this experiment? Why should you wait until you are ready to record each individual reading with the Spec-20 to add KSCN? 3. 4. Why must the determinations of the unknown be done on the same day the calibration is run? 169
6 microscopes slides and coverslips Vinegar Compound microscope PRE-LAB QUESTIONS 1. Define diffusion. Define osmosis. 2. diffusion being Which factors that influence the rate in 3. n. INTRODUCTION Living organisms are roughly 75-85% water. This makes water the universal solvent for biological solutions. Sugars, proteins, electrolytes, and organic molecules such as hormones are examples u In fa st all.cubctancer entering or leaving cells of difforont hielegieal ce.. dieeiad in
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