Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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help on question 4

Transcribed Image Text:At time zero a microbial population has a cell density of 100 cells/ml. After 12 hr the cell density
is 140 cells/ml; after 24 hr it's 200 cells/ml; after 36 hr it's 280 cells/ml; after 48 hr it's 400
cells/ml.
1. Using the semi-log graph provided plot a growth kinetics curve using the data above.
2. What phase of growth is this microbial population in?
3. What is the generation (doubling time) of this microbial population?_
4. Assuming the growth rate of these microbes is constant, what will the cell density of this
population be after 72 hr?
After just 60 hr?
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