Q1. What is a lipid? Explain the different classes of lipids. What is a fatty acid? What makes acid saturated or unsaturated?

Q2. What is the benefit of a mouse liver cDNA library over a genomic library made from mouse liver?

Q3. 1. Concerning producing larger organisms without cellular differentiation,

A) nature has never evolved larger organisms as it would never work.

B) Nature has evolved larger unicellular organisms but they are rare and have surface-to-volume limitations.

C) This has never occurred as the ancestral cell was small.
D) The more derived the organism, the more differentiated and the smaller the cell size.

E) The more primitive the organism, smaller the cell size.