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Toss the coins together 50 times and keep a tally sheet while doing so. They can only turn up as BB, Bb, or bb. Remember: each […]

In an experiment, you purify a cysteine-charged tRNA and chemically alter the amino acid attached to it converting it to alanine. You place this charged tRNA […]

one of the basic tenets of evolution by natural selection is that evolution requires variation upon which selection acts. How might drift prevent selection from acting?

A Wall Street Journal article titled “Restaurants Feel Sting of Surging Costs”. The article states that many restaurant chains are feeling the sting from the recession and […]

Ethical Case Studies: Ethics should play a large role in the decision-making process. Think about the important items and ethical questions raised throughout this course in […]