After the ribosome moves to the next codon on the mRNA, the growing peptide chain is found in which position(s)?
A
P
E
A, P and E
Answer: P
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In which of the following situations does a resting membrane potential exist?
A. a relaxed muscle fiber B. a conducting neuron C. a stimulated sensory receptor in the skin D. a contracting cardiac muscle cell E. the eye seeing an image
Which of the following is true of the endocrine system?
A) It responds rapidly to stimuli. B) It responds specifically to digestive stimuli. C) It communicates by the release of neurotransmitters. D) It responds with motor output. E) It responds slowly but effectively for maintaining homeostatic functions.
Tactile receptors located in the reticular dermis that are tonic and show little if any adaptation are called
A) Bulbous corpuscles. B) lamellar corpuscles. C) tactile (Meissner) corpuscles. D) tactile discs. E) root hair plexuses.
The gray matter of the spinal cord is organized into anterior, posterior, and lateral ________.
Fill in the blank(s) with the appropriate word(s).