The correct chronological pathway of fertilization is
A. pronuclei fusion ? corona radiata penetration ? zona pellucida penetration.
B. corona radiata penetration ? pronuclei fusion ? zona pellucida penetration.
C. zona pellucida penetration ? corona radiata penetration ? pronuclei fusion.
D. corona radiata penetration ? zona pellucida penetration ? pronuclei fusion.
E. pronuclei fusion ? zona pellucida penetration ? corona radiata penetration.
Answer: D
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The olfactory organ consists of the ________ and the lamina propria
A) gustatory cells B) basilar membrane C) olfactory epithelium D) hippocampus E) ethmoid bone
Match each term with its definition or description.
a. acid solution b. alkaline solution c. neutral solution d. buffer e. alkalosis f. acidosis g. metabolic acidosis h. respiratory acidosis i. respiratory alkalosis j. metabolic alkalosis k. carbonic anhydrase l. pH 1. _____ General term that describes a condition of low blood pH 2. _____ A solution that has a pH less than 7.0 3. _____ A condition that results from a carbonic acid deficit 4. _____ A condition that results from a bicarbonate deficit 5. _____ A solution with a pH of 7.0 6. _____ A condition that results from a bicarbonate excess 7. _____ A general term that describes a condition of high blood pH 8. _____ A solution with a pH greater than 7.0 9. _____ Condition that results from carbonic acid excess 10. _____ A substance that prevents a sharp change in pH 11. _____ Scale that measures the hydrogen ion concentration in a solution 12. _____ Enzyme that combines water and carbon dioxide to form carbonic acid
Identify the correct match.
A) estrogen/produced by interstitial cells B) inhibin/stimulates FSH secretion C) androgen/stimulates male climacteric D) luteinizing hormone/stimulates interstitial cells E) gonadotropin-releasing hormone/inhibits FSH secretion
Where do steroid hormones bind with a cell's receptor?
a) in the nucleus b) on the Golgi complex c) on the cytoskeleton d) on the endoplasmic reticulum