Talaro Foundations in Microbiology Chapter 007 Quiz Test Bank with Complete Solution2023
normal microbial floraHuman body is a rich habitat for correct
... [Show More] 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. [Show Less]