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Mcb Exam Questions With Correct Answers A+ 1. The gastrointestinal tract has both a long tube that nutrients traverse from mouth to anus and accessory organs that aid in food digestion. From the following list of organs in the digestive system, identify the mismatch. A. Rectum; part of the digestive tube B. Liver; part of the digestive tube C. Pharynx; part of the digestive tube D. Appendix; accessory organ E. Salivary glands; accessory organ - AnswerB Most of the bacteria involved in ...

MCB test 2 Exam Questions With Correct Answers A+ Which component of a gram negative cell wall can cause fever, vasodilation, inflammation, shock, and blood clotting - Answerlipid A Are archea eucharotic - Answerno in the case of gastrointestinal disease, how can an intoxication be disguinshed from an infection - Answeran intoxication is usually apparent shortly after ingestion, while an infection takes longer Most microbes that reside in the intestines are facultative or obligate anaero...

Ch 1 Mcb Exam Questions With Correct Answers A+ There are many Different Sterile enviorments on planet Earth? A) True B) False - AnswerFalse Swabbing the surface of your skin anywhere on your body and culturing that sample in lab is likely to result in the growth of millions of bacterial cells on the culture plate, even if you practice good hygiene A) True B) False - AnswerTrue The microorganisms that live in or on the human body are called the_____ A) prokaryotes B) recombinants C)...

MCB TEST 1 Exam Questions With Correct Answers A+ What is the term used for groups of microbes that have similar metabolic requirements and therefore live in similar environmental niches? A. Guild B. Microbiome C. Population D. Ecosystem - AnswerGuild What do we call the use of microbes to break down toxic or harmful compounds in the environment? A. Antagonism B. Biodegradation C. Competition D. Bioremediation - AnswerBioremediation Why are open coal mines (strip mines) more likely...

MCB 8, 9, 10 Exam Questions With Correct Answers A+ 1. Of these cellular targets of antimicrobials, drugs designed against which target are likely to have the least selective toxicity? Ribosomes Cell wall Nucleic acid synthesis Cell membrane - AnswerCell membrane 2. Which of these antimicrobials has the broadest spectrum of activity? Polymyxin Streptomycin Tetracycline Cephalosporin - AnswerTetracycline 3. Your microbiome is most susceptible to changes when taking a ______-spectrum ...

MCB Ch 5 Exam Questions With Correct Answers A+ What advantage do the cristae confer on the mitochondria? A) They allow the mitochondria to shrink. B) They greatly increase the surface area for aerobic respiration machinery. C) They confer resiliency on the cells. D) They allow swelling of mitochondria. E) They activate the matrix - AnswerThey greatly increase the surface area for aerobic respiration machinery. When fusion of mitochondria becomes more frequent than fission, the mitochon...

MCB Ch 1 Exam Questions With Correct Answers A+ Living organisms share a number of characteristics. These unifying characteristics separate them from nonliving things. For each of the following statements, check the statements that correctly distinguish living things from nonliving things - AnswerAll living organisms are made up of one or more cells. All living organisms reproduce by passing on specific genetic information to future generations. Only living organisms (populations) are cap...

MCB Chapter 3 Exam Questions With Correct Answers A+ What is involved in making a smear? Applying a liquid suspension to a cover slip Staining the slide background and then applying cells Air drying a liquid application on a glass slide Spreading a thin film of suspended cells on a glass slide - AnswerAir drying a liquid application on a glass slide Spreading a thin film of suspended cells on a glass slide a visible accumulation of microorganisms in or on nutrient medium. - Answercultur...

Mcb Final Exam Questions With Correct Answers A+ Which of the following drugs works by stabilizing microtubules rather than blocking their formation? A. Vincristine B. Colchicine C. Taxol D. Colcemid E. Vinblastine - AnswerC. Which one of the following statements about microtubules is correct? A. Only the alpha subunit of a tubulin dimer has a nucleotide binding site. B. Myosin is a motor protein that moves toward the plus end of microtubules. C. Tubulin dimers with nucleoside dip...

MCB TEST 1 QUESTIONS WITH 100% CORRECT answers What carbohydrate storage molecule do animals and protozoa synthesize? A. Starch B. Glycogen C. Cellulose D. Peptidoglycan - Answer-B. Glycogen Which type of metabolic reaction (catabolic or anabolic) requires ATP? A. As amphibolic pathways, both types of reactions produce and use ATP B. Catabolic C. Anabolic - Answer-C. Anabolic Of the catabolic pathways: glycolysis, fermentation, anaerobic respiration, and aerobic respiration, which...