The rough ER synthesizes proteins within their interconnected sacs
Indicate whether the statement is true or false
F
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Which of the following is true regarding Osgood-Schlatter's disease?
A. It occurs at the tibial tubercle where the patellar tendon attaches. B. It is more common in children than adults. C. It is an epiphyseal injury. D. both A and B E. all of the above
Which arteries are connected to the anterior cerebral arteries by the posterior communicating arteries?
A) Posterior cerebral arteries B) Vertebral arteries C) Middle cerebral arteries D) Basilar arteries
What structure anchors cilia and flagella?
A. Microvilli B. Hilus C. Hillock D. Basal body
Lowered extracellular potassium levels will lower the heart rate because
A. the resting membrane potential is hyperpolarized. B. ectopic action potentials occur. C. action potential amplitude declines. D. more sodium channels open. E. it blocks calcium channels.