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In the Felkin model, a carbon which is originally achiral can undergo a reaction to generate a single enantiomer with 98% yield (with the remaining 2% generating the opposite enantiomer). This type of reaction is best described as: A) Chiral…
The lining of the digestive tract and the respiratory tract develops from which germ layer? I. Endoderm II. Mesoderm III. Ectoderm a) I only b) II only c) III only d) I and II
Noncompetitive inhibition differs from uncompetitive inhibition in that a noncompetitive inhibitor binds to an allosteric site on the enzyme and prevents it from catalyzing a reaction, whereas uncompetitive inhibitors bind to the enzyme-substrate complex and prevent catalysis. Increasing the substrate…
Cystic fibrosis is an autosomal recessive disease that causes severe breathing difficulties and a number of other symptoms. If a male and female, both of whom are carriers for the disease, have one child, what is the probability that the…
A segment of DNA from a lab mouse is determined to be 5’ – GGATCCTCATG – 3’. Which of the following DNA segments would be the result of this original DNA sequence experiencing both a point mutation and a deletion?…
Physiologic dead space is any region in the lungs where air is entering the alveoli, but no oxygen exchange is taking place because the alveolus is not adequately perfused with blood. If a person’s pulmonary arterioles have constricted so much…
Under a certain applied voltage, which of the following variables effects capacitance? A) dielectric constant, area of the plates, and density of the conducting material B) dielectric constant and area of the plates C) dielectric constant, area of the plate,…
All of the following are known elements of taste perception EXCEPT: A) Umami B) Sweet C) Savory D) Bitter
Which of the following will happen in response to a stimuli which generates increased parasympathetic activity? I. Increased cardiac output II. Vasoconstriction in skeletal muscle arterioles III. Increased gut motility A) II only B) III only C) I and II…
REM cycle sleep is characterized by all of the following traits, EXCEPT: A) Muscle paralysis B) Rapid eye movement C) Delta rhythms on an EEG D) High brain activity Explanation A) Muscle Paralysis – Incorrect B) Rapid eye movement –…