Chapter 6 - Microbial Nutrition and Growth

What is a Colony?

A population of microorganisms growing from a single cell or colony-forming unit living in one place
Context: A - Growth Requirements: Colony

How does a Colony form?

increase in size as the # of cells increase
Context: A - Growth Requirements: Colony

What microorganism forms a Colony?

Microbes "Bacteria"
Context: A - Growth Requirements: Colony

What is the thriving mechanism for microbes to grow on many different surfaces?

Biofilm
Context: A - Growth Requirements: Microbes

What are the 4 Major chemical nutrient requirements for the growth of microbial population?

Carbon. Hydrogen, Oxygen, and Nitrogen
Context: A - Growth Requirements: Microbes

Name of bacteria to use Carbon Dioxide as a carbon source and light energy to make their own food:

Photoautotrophs
Context: A - Growth Requirements: Chemical Nutrients

Name of bacteria to use Carbon Dioxide source but catabolize organic molecules for energy:

Chemoautotrophs
Context: A - Growth Requirements: Chemical Nutrients

Name of bacteria to use organic compounds for both energy and carbon:

Chemoheterotrophs
Context: A - Growth Requirements: Chemical Nutrients

Name of microbe to use electrons for REDOX REACTIONS from organic sources:

Organotrophs
Context: A - Growth Requirements: Chemical Nutrients

Name of microbe to use electrons from inorganic sources:

Lithotrophs
Context: A - Growth Requirements: Chemical Nutrients

How do Obligate Aerobes process energy for growth?

Their method for energy production and respiration depend on using the electron acceptor other than oxygen
Context: A - Growth Requirements: Microbes & Farming Sources via REDOX