In the DNA fingerprinting labs, what was the purpose of using a gel comb?

When you increase the concentration of agarose in a gel, the size of the pores within the gel increases.

From your photosynthesis lab, what do you expect to happen to your CO2 indicator solution when you add 8 each of Scenedesmus obliquus algal beads to the cuvette under bright white light?

What net charge does DNA have?

A review article is a synthesis of research already conducted in various primary literature sources on a specific topic. 

How many new daughter cells are created from one original cell at the end of cell division by mitosis?

Which organism did you observe the five phases of mitosis by looking at prepared slides of the root tips?

For sample sizes greater than 30, the sampling distribution of the mean will be approximately normally distributed

The following sample was taken from a normally distributed population: 20, 27, 15, 20, 16, 22, and 13. A 95% confidence interval for the population mean using this sample is:

A large Midwestern university is interested in estimating the mean time that students spend at the student recreation center per week. A previous study indicated that the standard deviation in time is about 40 minutes per week. If the officials wish to estimate the mean time within ± 10 minutes with a 90 percent confidence, what should the sample size be?