Q1. If a component of a mixture of organic molecules was absolutely insoluble in the mobile phase used in a TLC analysis of the mixture, what Rf value would you calculate for this component?

Q2. Choose one biotechnology example, such as agriculture, medical or historical, and provide at least two ways use of this biotechnology could benefit society and two ways this biotechnology could be harmful.

Q3. I am looking for an article that comes with practice questions in a book called “Current Issues in Biology-Volume 2” the article is called mammals that conquered the seas. Where could I find the copy of those pages?