Here is this week’s essay question: NOAA vs. NASA Recently NASA began the Mars Science Laboratory mission in a multifaceted scientific project geared towards understanding the history of Mars geology.  Meanwhile the Earth’s ocean remains largely unexplored. If you were testifying before Congress as the head of NOAA or NASA […]

If a disease is co-inherited with a certain allele of a genetic marker in a pedigree, what does this suggest about the location of the disease gene with respect to the marker? a) The locations are far apart.b) The locations are the exact same.c) The locations are likely close together […]

Question: Calculate the amount of current (in nA) that flows during one AP for the [Na+] if the AP lasts for 1 msec. Vm=-70 mV Vo= 40 Initial [Na+]= 15 mM axon is 10 cm long radius is 10 um epsilon= 8.85E-12 C^2/ N m^2 dialectric constant is 3 Question: The loss […]

1. A patient with hepatitis B has reduced liver function. How will reduced function of her liver affect levels of hormones inher blood or urine? A)There will be more hormones in the blood and fewer hormoneby-products in the urine.B) There will be fewer hormones in the blood and more hormoneby-products […]