You are working with a pure culture of an unknown bacterium isolated from well water. When you Gram stain, you see both purple and red/pink cells. What is this reaction called?  Which additional test could you perform to verify your Gram stain results?

When Gram staining, it’s okay to not to wear goggles/face shield if one wears regular eye-glasses.

Below is an image of Gram-stained bacteria. What is the Gram-staining characteristic, morphology, and arrangement of the cells in the lower left corner of the image?  (0.5 points/answer)

Gram stain reagents:functions. Below is a paired list of Gram stain reagents:functions which your study team-mate shared with you. Which pair is incorrect?

 Which bacterial cell wall description below is incorrect?

The technique for adhering bacteria to the slide (see previous two questions) has additional advantages.  These are listed below, except that one of the choices is false/incorrect. Which option, below, is not an advantage of the preferred method for adhering bacteria to a slide?

Solve the problem. Round results to the nearest hundredth.The mean of a set of data is 181.72 and its standard deviation is 78.30. Find the z score for a value of 428.02.

Use the empirical rule to solve the problem.The amount of Jen’s monthly phone bill is normally distributed with a mean of $57 and a standard deviation of $8. What percentage of her phone bills are between $33 and $81?

Provide an appropriate response.Human body temperatures have a mean of 98.20° F and a standard deviation of 0.62°. Sally’s temperature can be described by z = -2.2. What is her temperature? Round your answer to the nearest hundredth.

Solve the problem.The frequency table below shows the amount of weight loss during the first month of a diet program for a group of men. Constructing a Histogram with a frequency polygon. Applying a loose interpretation of the requirements for a normal distribution, do the pounds of weight loss appear to be normally distributed? Why or why not?You may construct your histogram and frequency polygon on TI, Stat Crunch, or by hand and upload it here.