Talaro Foundations in Microbiology Chapter 007 Quiz Test Bank with Complete Solution2023

Talaro Foundations in Microbiology Chapter 007 Quiz Test Bank with Complete Solution2023 normal microbial floraHuman body is a rich habitat for correct answers Human body is a rich habitat for symbiotic bacteria, fungi and a few protozoa called _____ _____ _____. Nutrition correct answers -process by which chemical substances (nutrients) are acquired from the enviroment and used in cellular activities. Essential Nutrients: Two categories correct answers -Macronutrients -Micronutrients Macronutrients correct answers -required in large quantities; play principle roles in cell structure and metabolism (proteins and carbohydrates). Macronutrients roles correct answers play principle roles in cell structure and metabolism Micronutrients/ trace elemnents correct answers required in small amuonts; involed in enzyme function and maintenance of protein structure (Manganese, zinc, nickel). micronutrients role correct answers involed in enzyme function and maintenance of protein structure Organic nutrients correct answers -contain Carbon and hydrogen atoms and are usually the products of living things (Methane (CH4), Carbohydrates, lipids and proteins). Inorganic Nutients correct answers -atom or molecule that contains a combination of atoms other than carbon and hydrogen (Metals and their salts, gases, water). cell contents correct answers 70% water Proteins- bulk are proteins 96% of cell is composed of 6 elements: Carbon Hydrogen Oxygen Phosphorous Sulfur Nitrogen Carbon sources correct answers -Heterotroph -Autotroph Heterotroph correct answers -must obtain carbon in an organic form made by other living organisms such as proteins, carbohydrates, lipids, and nucleic acids Autotrophs correct answers -an organism that uses CO2, an inorganic gas as its carbon source Growth Factors correct answers -must be provided as a nutrient -Essential amino acids vitamins The main determinants of nutritional type are: correct answers -Carbon source -Energy source Carbon Source correct answers - Heterotroph -Autotroph Energy source correct answers -Chemotroph -Phototrophs Chemotroph correct answers -gain energy from chemical compounds - chemical reaction -covalent bonds Phototroph correct answers -gain energy from photosynthesis Photoautotrophs correct answers An organism that harnesses light energy to drive the synthesis of organic compounds from carbon dioxide.