Bacterial Growth

Question 1

a population of organisms descended from a single cell and is therefore separated from all other species

Answer 1

pure culture

Question 2

guy who developed solid media for bacterial growth, agar-agar used in cooking, derived from seaweed

Answer 2

Koch

Question 3

What is microbial growth defined as?

Answer 3

an increase in the number of cells in a population

Question 4

What is it called: the time it takes for a population to double in number is the?

Answer 4

generation time

Question 5

What phase of the growth curve: cells ramp up by synthesizing macromolecules required for division & ATP

Answer 5

lag phase (latent)

Question 6

What phase of the growth curve: cells dividing at a constant rate, growth is balanced with available nutrients

Answer 6

exponential phase (log)

Question 7

What phase of the growth curve: cells have exhausted supply of energy and nutrients, number of cells remains relatively constant

Answer 7

stationary phase

Question 8

What phase of the growth curve: population decreases as cells die off at constant rate

Answer 8

death phase