How does oxidation during cellular respiration differ from burning?
A. Respiration requires a relatively large amount of energy to start the process.
B. Respiration uses enzymes to lower the activation energy.
C. Respiration releases more energy as heat and light.
D. Respiration doesn't use enzymes to lower the activation energy.
Answer: B
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Special senses, such as sight and sound, are converted to an action potential by:
A) transduction. B) sensation. C) perception. D) interpretation.
Which of these male reproductive structures is unpaired (meaning there is only one in the body)?
A. Corpus cavernosum B. Bulbourethral gland C. Prostate gland D. Epididymis E. Seminal vesicle
Which of the following brain regions does NOT belong with the others?
A) medulla oblongata B) midbrain C) pons D) thalamus
Blood Ca2+ deficiency stimulates ________ secretion, which leads to ________
A) calcitonin; more urinary phosphate reabsorption B) parathyroid hormone; increased osteoclast activity C) growth hormone; increased osteoblast activity D) calcitriol; more urinary phosphate excretion E) thyroid hormone; less urinary calcium excretion