Why is blockage of a coronary artery such a serious threat to cardiac muscle?
A. Cardiocytes have weak sarcolemmas that easily rupture.
B. Cardiocytes have abundant mitochondria and rely on a constant supply of oxygen.
C. Cardiocytes rely on a constant supply of calcium.
D. The myosin of cardiocytes is unique and requires abundant nutrients and oxygen.
E. Cardiocytes are fast-twitch fibers.
B. Cardiocytes have abundant mitochondria and rely on a constant supply of oxygen.
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Which part of the ethmoid bone forms the superior part of the nasal septum?
A) perpendicular plate B) orbital plate C) cribriform plate D) crista galli
All of the following are derived from epithelial columns except
A) hair roots. B) hair follicles. C) nails. D) sebaceous glands. E) sweat glands.
membrane invagination in response to specific, extracellular signaling, vesicle forms around receptor signal complex
What will be an ideal response?
_______ forms nucleotides
Fill in the blank(s) with the appropriate word(s).