Vision in dim light is due to the activity of ________ cells because their rhodopsin pigment is much more sensitive to light than other photopigments
Fill in the blank(s) with correct word
rod
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Which of the following molecules would enter the cell via a specialized transmembrane receptor?
A) water B) fatty acids C) cholesterol D) ethanol E) gases
The model of life's origins, which posits that all of the necessary ingredients for the origin of life were present on early Earth, has been named after two early twentieth-century scientists. This model is called the ________ [two words] model
Fill in the blank(s) with correct word
The most accurate description of SPATIAL summation is
A. Several inputs from the SAME presynaptic cell arrive in rapid succession, summing into a larger depolarization that brings the neuron over the threshold for an action potential. B. Several inputs from DIFFERENT presynaptic cells create EPSPs that sum together to bring the neuron over the threshold for an action potential.
Adenoviruses infect
A) the digestive tract. B) the respiratory tract. C) the nervous system. D) both the digestive tract and the respiratory tract. E) both the respiratory tract and the nervous system.