Orbicularis oris, orbicularis oculi, and platysma are part of the group of muscles known as muscles of
A) the extra-ocular region.
B) facial expression.
C) the tongue.
D) the pharynx.
E) mastication.
B) facial expression.
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Many muscles are named for their location (origin and insertion) in the body, particularly in relation to bones. In what body region would you expect the frontalis muscle to originate?
A. The abdominal region B. The cranium C. The pelvic region D. The thoracic region
Which of the following is the correct mRNA produced from the transcription of this DNA molecule?
A. 5'-AUGAUCGGAUCGAUCCAU-3' B. 3'-AUGAUCGGAUCGAUCCAU-5' C. 5'-UACUAGCCUAGCUAGGUA-3' D. 3'-UACUAGCCUAGCUAGGUA-5'
A secondary spermatocyte containing ______ (how many?) chromosomes divides to form ______ (how many) spermatids, each containing _________ chromosomes, and each spermatid undergoes the process called __________ to become spermatozoa
Fill in the blank(s) with correct word
Which hormone promotes the reabsorption of water from the kidneys back into the ECF by osmosis?
A) atrial natriuretic peptide (ANP) B) antidiuretic hormone (ADH) C) angiotensin-II D) aldosterone