Suppose that an enzyme uses a catalytic mechanism in which a functional group on the enzyme has to accept a proton from the intermediate formed in the first chemical step. The pKa of that basic functional group on the enzyme is 8.0, and is the only pKa apparent on a […]

1. List at least three functions of our skeletal system. 2. What are two things that our skeletal system stores? 3. What type of bone cells break down bone? What type of event would cause them to break down bone? 4. What type of bone cells form bone tissue? What […]

Really could use some help with this. Part 1 – Essay Choose a science news article highlighting a current event or recent research related to the essay topic: Human Nutrition and Diet In searching for an appropriate article, the following online science news sources are suggested: Science Daily e! Science News Phys.org […]

Q1. Imagine that a sample of the people in your city showed that 1/16 of them cannot roll their tongue. This means that they are homozygous for the recessive gene. Apply the Hardy-Weinberg principle to find out the frequencies of homozygous dominant and heterozygous genotypes in the population. Q2. What […]