Microbial Growth: Chemical Requirements

Which of these chemicals (that are all required) is an essential part of DNA, RNA, ATP, and membranes?

• Sulfur

• Oxygen

• Phosphorus

• Nitrogen

Microorganism that requires light energy and gains nutrients via catabolism of organic compounds.

• photoautotrophs
• chemoautotrophs
• photoheterotrophs
• chemoheterotrophs

The chemical growth requirements essential for bacterial growth are ...?

• Water,carbon,Nitrogen & sulphur

• Water

• Water,carbon,oxygen,phosphorus,Nitrogen,sulphur and other trace elements

• Environmental waste

Bacteria that are able to get their carbon source from organic compounds are called?

• Autotrophs

• Heterotrophs

• Chemotrophs

• Saprophytes

Bacteria that obtain their carbon source from carbon ioxide are called?

• Chemotrophs

• Autotrophs

• Heterotrophs

• Saprophytes

The bacterium which obtain its energy from chemicals is known as a ...

• Phototroph

• Chemotroph

• Autotroph

• Heterotroph

Autotrophic bacteria are those which ...

• Make their own food

• Are highly susceptible to penicillin

• Produce a blue-green pigment

• Obtain their food from the environment

Tags

NGSS.MS-LS1-6

Which of these is NOT a chemical requirement for growth of a bacteria?

• Carbon

• Oxygen

• Nitrogen

• Sulfur