BIOD 171 Essential Microbiology Portage Learning Module 2 Exam Questions and Answers

BIOD 171 Essential Microbiology Portage Learning Module 2 Exam Questions and Answers What is cellular metabolism? - answercontrolled set of biochemical reactions that occur in living organisms to maintain life. Because microorganisms can be found in a wide variety of environments (light vs. dark, hot vs. cold, acidic vs. basic, etc.) the source of energy and the reactions carried out by an organism are - answerlargely defined by the environment What is an enzyme? - answera protein or group of proteins that catalyze chemical reactions Is an enzyme consumed in a reaction? - answerNo, it can be used repeatedly by the cell The specificity and function of some enzymes can also be regulated by a - answercofactor What is a cofactor? - answera small chemical component that assist enzymes during the catalysis reactions What is usually a cofactor? - answermetal ions What do cofactors serve as regulators of? - answerchemical reactions In the absence of the proper cofactor, enzymes are ___, while in its presence enzymes are ___. - answerinactive, active In order to produce sufficient levels of energy, microorganisms must break down complex nutrients into - answersmaller subunits What are proteins broken down into? - answeramino acids