What type of photoreceptor cell perceives color?
A) hair cell B) cone C) bipolar cell D) rod
Answer: B
Anatomy & Physiology
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What general action is shared by about half of the medical drugs currently in use?
What will be an ideal response?
Anatomy & Physiology
This structure binds to an amino acid and holds it in place on a ribosome until it is incorporated into a polypeptide chain during translation.
a) mRNA b) rRNA c) tRNA d) DNA
Anatomy & Physiology
When both muscles of this pair are contracted simultaneously, they flex the neck forward
A) trapezius B) sternocleidomastoid C) semispinalis D) platysma
Anatomy & Physiology
This figure shows the muscles of respiration. What muscle does number 4 indicate?
A. Scalene B. Diaphragm C. External intercostal D. Internal intercostal E. Transversus thoracis
Anatomy & Physiology