During vigorous exercise, there may be insufficient oxygen available to completely break down pyruvic acid for energy. As a result, the pyruvic acid is converted to ________.
A) a strong base
B) stearic acid
C) hydrochloric acid
D) lactic acid
D) lactic acid
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Which is correct regarding chromosome numbers during oogenesis?
A. Both primary oocytes and secondary oocytes are haploid. B. Both primary oocytes and secondary oocytes are diploid. C. Primary oocytes are haploid, secondary oocytes may be haploid or diploid depending on their meiotic stage. D. Primary oocytes are haploid, secondary oocytes are diploid. E. Primary oocytes are diploid, secondary oocytes are haploid.
The majority of muscles that move the arm have origins on the
A. scapula. B. clavicle. C. sternum. D. humerus. E. ribs.
The gray commissure of the spinal cord surrounds the central canal
Indicate whether the statement is true or false
Hypersensitivity is only a B cell-mediated response
Indicate whether the statement is true or false