Micro Exam 2 Section 1

supply of monomers (or precursors of) required by cells for

growth

• Nutrients

• Macronutrients

• Micronutrients

• All

nutrients required in large amounts

• Nutrients

• Macronutrients

• Micronutrients

• All the Above

nutrients required in minute amounts

trace metals and growth factors

• Nutrients

• Macronutrients

• Micronutrients

• All the above

A medium used for growing microbial cultures is composed of all these elements.

• Nutrients

• Macronutrients

• Micronutrients

• All the above

-Carbon, Nitrogen

-Hydrogen,

Oxygen

-Phosphorus

-Sulfur

-Potassium

-Magnesium

-Calcium, Sodium

-Boron, Cobalt

-Copper, Iron

-Magnesium

-Molybdenum

-Selenium, Tungsten

-Vanadium, Zinc

• Examples of Macronutrients

• Examples of Micronutrients

• All the above

• None

organic compounds required in small amounts by certain organisms

(Ex: vitamins, amino acids, pyrimidines, purines)

most frequently required growth factor

most function as coenzymes

• amino acides

• purines

• vitamins

• pyrimidines

increase in number of cells

time required for microbial cells to double in number

• Growth

• Growth Factor

• Generation

• Generation Time