What would you expect the optimum pH to be for the salivary enzyme amylase, which digests starches into sugars?
What will be an ideal response?
pH for optimum salivary amylase would be close to neutral.
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If a psychiatric condition displays 15% concordance in monozygotic twins, and 8% concordance in dizygotic twins, then genetics plays a major role in this trait
a. True b. False Indicate whether the statement is true or false
Which of the following is a function of the skeletal system?
a. absorption of nutrients b. gas exchange c. production of blood cells d. production of hormones
An extremely rare occurrence in humans is a multiple pregnancy with the embryos at different stages due to fertilization weeks apart. What mechanism normally prevents this from happening?
A. The embryo's secretion of FSH and LH maintains the corpus luteum, keeping estradiol and progesterone high until the placenta takes over secretion of these hormones. B. The embryo's secretion of GnRH maintains the corpus luteum, keeping FSH and LH high until the placenta takes over secretion of these hormones. C. The embryo's secretion of hCG maintains the corpus luteum, keeping estradiol and progesterone high until the placenta takes over secretion of these hormones. D. The follicle's secretion of polar bodies maintains the fimbriae, keeping estradiol and progesterone high until the fallopian tube takes over secretion of these hormones.
Ovulation occurs by a surge in the secretion of what hormone?
A. follicle stimulation hormone B. estrogen hormone C. hCG hormone D. luteinizing hormone E. progesterone hormone