1. Compare and contrast the characteristics of the ideal tissue forming the outer surface of the body with that forming the lining of the small intestine. How are they similar and different? What tissues fulfill these needs? 2. If a bone is broken, it will heal in several months. If […]

You are doing a PCR that requires 1.6ng of DNA in 2uL of sample. You have 100uL of stock DNA with a concentration of 4ng/ul. Using reasonable pipetting volumes (ex. don’t use too much of your sample but don’t pipette an unreasonably small volume), how would you dilute your stock […]

Q1. What is a double layered with molecules that have hydrophobic tails and hydrophilic head? It is found in all cells and it controls what enters and leaves the cell. Q2. On the Pacific island of Guam, large herbivorous bats called “flying foxes” commonly feed on cycad seeds, a potent […]

Freckles (F) and six fingers (S) are dominant alleles in humans and the genes occur on different chromosomes. If an FfSs male and an FfSs female have a WHOLE BUNCH of kids, Here are the expected ratios below. 9: freckles/ 6 fingers 3: freckles/ no 6 fingers 3:no freckles/ 6 […]