While fumigating his house for insects, Phil became very nauseous. His vision went blurry as his pupils constricted and he began to have severe muscle spasms throughout his body. He also developed a runny nose and he began to salivate heavily. At the emergency room Phil was given injections of Atropine and Valium. Required:
a. What molecule is cholinesterase inhibiting?
b. What is ACh and where is it found? What is its function at the neuromuscular junction?
c. What is AChE and where is it found? What is its function?
d. What are the steps of excitation?

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

In 2015, about ten percent of total u.s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power

Which of the following will a bacterium produce when a human gene is added to its genome? question 4 options: human carbohydrates a protein made up of both human and bacterial properties the human protein coded for by the human gene human plasmids that can be isolated from the bacterium