c) Interpret the data. Since there are no statistics included can you say whether the difference is significant? What type of statists would be helpful for analyzing the data in the figures?

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For each graph:
a) Describe the graph:
b) Describe the data:
c) Interpret the data. Since there are no statistics included can you say whether the difference is significant? What type of statists would be helpful for analyzing the data in the figures?

**Figure 1**

Various engineered strains of *E. coli* were grown in bioreactors. Over a time course, levels of Taxadiene (a precursor for taxol) were measured (A). The amount of cell growth for each strain was also measured (B).

**1. For each graph:**

a) **Describe the graph:**

- **Graph A:** This is a line graph that shows the levels of Taxadiene (mg/L) over time (hours) for three different *E. coli* strains (Strain 22, Strain 17, Strain 26).

- **Graph B:** This is a line graph depicting cell growth, measured by optical density at 600 nm (OD600nm), over time (hours) for the same three *E. coli* strains.

b) **Describe the data:**

- **Graph A Data Description:** The data show that Strain 22 has the highest increase in Taxadiene production over time, reaching nearly 1200 mg/L by 120 hours. Strain 17 shows a moderate increase, whereas Strain 26 shows the least increase in Taxadiene levels.

- **Graph B Data Description:** The data indicate that Strain 22 also exhibits the greatest cell growth, followed closely by Strain 17. Strain 26 has the lowest cell growth over the 120-hour period.

c) **Interpret the data:**

Since there are no statistics included, it is difficult to determine if the differences between strains are statistically significant. Statistical analyses, such as ANOVA or a t-test, would be helpful for analyzing the significance of the observed differences in Taxadiene production and cell growth among the strains.
Transcribed Image Text:**Figure 1** Various engineered strains of *E. coli* were grown in bioreactors. Over a time course, levels of Taxadiene (a precursor for taxol) were measured (A). The amount of cell growth for each strain was also measured (B). **1. For each graph:** a) **Describe the graph:** - **Graph A:** This is a line graph that shows the levels of Taxadiene (mg/L) over time (hours) for three different *E. coli* strains (Strain 22, Strain 17, Strain 26). - **Graph B:** This is a line graph depicting cell growth, measured by optical density at 600 nm (OD600nm), over time (hours) for the same three *E. coli* strains. b) **Describe the data:** - **Graph A Data Description:** The data show that Strain 22 has the highest increase in Taxadiene production over time, reaching nearly 1200 mg/L by 120 hours. Strain 17 shows a moderate increase, whereas Strain 26 shows the least increase in Taxadiene levels. - **Graph B Data Description:** The data indicate that Strain 22 also exhibits the greatest cell growth, followed closely by Strain 17. Strain 26 has the lowest cell growth over the 120-hour period. c) **Interpret the data:** Since there are no statistics included, it is difficult to determine if the differences between strains are statistically significant. Statistical analyses, such as ANOVA or a t-test, would be helpful for analyzing the significance of the observed differences in Taxadiene production and cell growth among the strains.
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