11.     Consider a squid axon bathed in seawater under artificial conditions, and the following on  concentrations: [K]i = 400 mM and [K]o = 10 mM, [Na]in = 50 mM, [Na]o = 460 mM. Predict equilibrium potentials EK and ENa at a temperature of 13oC. Assuming that the Na permeability of the cell membrane is 1/50 that of […]

One day in my fly lab in grad school some friends and I were are arguing about olive oil. The fancy guy of the group started the argument when he brought in his 30$ bottle of Extra-fancy olive oil, which he claimed would induce tongue-gasm. We already had two other […]

Q1. Your roommate says that the concept of homeostasis is being violated while the rate of respiration goes up during exercise, since the rate of respiration clearly is not held constant. Describe why his thinking is faulty. Q2. What is the genotypic and phenotypic ratio in the offspring produced by […]

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 […]