GOLDEN ORCHIDS STORE.

MCDB 1A UCSB midterm 1 Exam Study Guide Solutions Condensation reaction - ANSWER-(also called dehydration) results in the covalent bonds between between monomers. A molecule of water is released when each covalent bond is formed. Polymers form only if water molecules are removed and energy is added to the system. Hydrolysis - ANSWER-results in the breakdown of polymers into their component monomers. Water reacts with the covalent bonds that link the polymer together. For each covalent bond...

MCB5205 Exam 2 Study Guide Solutions Principles of human volunteer research - ANSWER-1. Informed Consent 2. Beneficence (max benefit/low risk) 3. Justice Belmont Report (1979) - ANSWER-ethical principles and guidelines for the protection of human subjects of research Animal model - ANSWER--Disease symptoms and distribution mimics humans - Same disease route as humans ethics of animal models - ANSWER-- rationale - bacterial genetics & physiology - hypothesis driven research - experimen...

MCB Practice Quiz Ch20, Ch21,Ch22,Ch23,Ch24,Ch25,Ch26 with Correct Answers Ch 20. You have a 200 mg/ml antibiotic solution. You prepare serial dilutions (1:2, 1:4, etc.) of the antibiotic; the first tube contains 100 mg/ml. You then inoculate each tube with Salmonella. Bacteria grow in tubes 4, 5, and 6. You subculture bacteria from tubes 1 through 3 to nutrient broth. Growth occurs in the tube 3 subculture. You can conclude that the MIC is __________. - ANSWER-25 mg/ml An antimicrobial d...

MCB 2610 Lab Quiz Questions with Correct Answers What 4 things must always be done before leaving lab (in order)? - ANSWER-1) Dispose of all cultures and plates in the appropriate containers 2) Clean your bench with Wescodyne 3) Take off and put away your lab coat 4) Wash your hands for at least 20 seconds with soap and water Where are plates disposed of? - ANSWER-Gray garbage cans by the door Where are test tubes and caps disposed of? - ANSWER-Waste buckets under sink Where are slides ...

MCB 2610 Lab Practical Exam Questions and Answers The __________ method is a quick and easy way to isolate bacteria - ANSWER-streak plate in what orientation do you incubate the plates after they have been streaked? - ANSWER-agar half on top what must you do to the loop before every use? - ANSWER-flame sterilize your loop T/F: The last thing you do before leaving the lab is take off your lab coat - ANSWER-False T/F: When performing a T-streak, the loop goes into the tube 3 times (once for...

MCB 2610 Lab Practical 1 Exam Study Guide Solutions gram positive - ANSWER-purple cocci gram negative - ANSWER-pink rods endospore - ANSWER-responses to certain environmental conditions such as depletion of nutrients stages of growth curve: - ANSWER-lag, exponential (log), stationary, death lag phase - ANSWER-occurs when culture is transferred to fresh growth medium exponential phase - ANSWER-growth is maximal and at a steady rate, culture is stable both chemically and physically statio...

MCB 2610 Lab Exam I Questions and Answers what is the quickest and most economical method of bacterial isolation? - ANSWER-streak plate method what is the purpose of aseptic technique? - ANSWER-maintain pure cultures what is the purpose of a T-streak? - ANSWER-isolate and maintain single species from mixed populations which objective lens should never be used with immersion oil? - ANSWER-40x procedure for making smears - ANSWER-1. use a wax pencil to draw a circle on the slide 2. take a...

UConn MCB 2610 Final Lab Practical Exam Questions and Answers The ________ method is a quick and easy way to isolate bacteria. - ANSWER-Streak plate How many times do you get culture from the tube while performing a t-streak? - ANSWER-Once Who do you contact to reschedule a lab? - ANSWER-Gino The culture tubes are disposed of in the gray trash bin. True/false? - ANSWER-FALSE What is the first thing you do after a spill? - ANSWER-Tell the TA Which of the following is an indirect mode of tr...

MCB 2610 Exam 1 Study Guide Solutions Microbiology - ANSWER-The study of microbes Micro bio examines... - ANSWER-How microbes interact with humans and food and how they can be used by humans Prokaryotic cells - ANSWER-Lack a true membrane-delimited nucleus Eukaryotic cells - ANSWER-Have a membrane enclosed nucleus More complex morphologically Carl Woese used ribosomal RNA to divide organisms into... - ANSWER-Domains: Bacteria Archaea Eukarya Describe Bacteria - ANSWER-Usually single-c...

MCB 2610 Exam 1 Microscopy Study Guide Solutions numerical aperture - ANSWER-ability of the lens to gather light - depends on the property of the lens and the refractive index of the medium refractive index - ANSWER-how much a substance bends a light ray immersion oil - ANSWER-oil placed on a slide to minimize refraction of the light entering the lens and increasing the numerical aperture and resolution working distance - ANSWER-distance between the surface of lens and the surface of cove...