Pls help ASAP. A few yeast cells were placed into a tube along with nutrients. All other factors wereset for optimal yeast growth (for example, temperature, oxygen, and pH). Thepopulation was sampled, and the results of the estimated population size are shownthe diagram.Population Size (cells in tube)350300250200150100500A2Population Growth Graph of Yeast6B108Time (hours)1214C1618 Time (hours)a) There are three distinct phases shown in the diagram (A, B, C). Describe what ishappening to the population in each phase.b) What population growth model does the population appear to follow?c) What appears to be the carrying capacity of the yeast in the container?427

Answered: a) There are three distinct phases…

Human Anatomy & Physiology (11th Edition)

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Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

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Pls help ASAP.

A few yeast cells were placed into a tube along with nutrients. All other factors were
set for optimal yeast growth (for example, temperature, oxygen, and pH). The
population was sampled, and the results of the estimated population size are shown
the diagram.
Population Size (cells in tube)
350
300
250
200
150
100
50
0
A
2
Population Growth Graph of Yeast
6
B
10
8
Time (hours)
12
14
C
16
18

Time (hours)
a) There are three distinct phases shown in the diagram (A, B, C). Describe what is
happening to the population in each phase.
b) What population growth model does the population appear to follow?
c) What appears to be the carrying capacity of the yeast in the container?
4
27

Expert Solution

Step 1

The bacterial growth is the division of a bacteria into two daughter cells. When the bacteria are grown and incubated in a suitable growth medium, their growth follows a definite process. The bacteria can be grown as a batch culture or as a continuous culture.

When the bacterial count are carried out at intervals after inoculation and plotted against time, a growth curve is obtained.

The growth curve is divided into following phases:

Lag phase
Log phase
Stationary phase
Death or decline phase.

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