The diagram shows the growth curve of Escherichia coli in a suspension culture containing glucose and lactose. Optical density is used to measure the concentration of bacteria in the suspension culture.   Use the image to answer the question. Which statement BEST supports the information in the graph? A. E. coli metabolizes lactose and glucose.   B. E. coli metabolizes glucose first, then lactose.   C. E. coli metabolizes lactose first, then glucose.   D. E. coli metabolizes lactose and glucose at the same time.

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
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The diagram shows the growth curve of Escherichia coli in a suspension culture containing glucose and lactose. Optical density is used to measure the concentration of bacteria in the suspension culture.

 

Use the image to answer the question.

Which statement BEST supports the information in the graph?

A.

E. coli metabolizes lactose and glucose.

  •  
    B.

    E. coli metabolizes glucose first, then lactose.

  •  
    C.

    E. coli metabolizes lactose first, then glucose.

  •  
    D.

    E. coli metabolizes lactose and glucose at the same time.

y
2
lactose utilized
glucose utilized
0-
1
3
4
5
6
7
time (hours)
optical density
Transcribed Image Text:y 2 lactose utilized glucose utilized 0- 1 3 4 5 6 7 time (hours) optical density
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