Which the viability of the corpus luteum? hormone maintains A) estrogern B) prog
ID: 3512813 • Letter: W
Question
Which the viability of the corpus luteum? hormone maintains A) estrogern B) progesterone cj human chorionic gonadotropin D) human placental lactogen 27) What percentage of sperm carry the Y chromosome? A) 10% B) 25% C)50% D) 75% 28) Serous membranes line the closed ventral cavities of the body A) True B) False 29) The fluid in glomerular capsule is similar to plasma except that it does not contain a significant amount c A) glucose B) hormones C) electrolytes D) plasma protein 30) which of the following glands are responsible for 70% of the synthesis of semen? A) the prostate B) the bulbourethral glands C) the seminal vesicles D) the pituitary 31) Which of the following enhance the absorptive effectiveness of the small intestine by increasing the surface area? A) circular folds, villi, and microvilli B) the vast array of digestive enzymes C) Brunner's glands and Peyer Patches D) the rugae and haustra 32) Digestion and absorption of which of the following would be affected the most if the liver were severel damaged? A) carbohydrates B) starches C) proteins D) lipids 33) The release of enzymes to digest holes through the zona pellucida is termed A) cleavage B) fertilization C) capacitation D) the acrosomal reactionExplanation / Answer
26. Option C is the correct answer. Human chorionic gonadotropin is a hormone secreted by the placenta after implantation which maintains the viability of the corpus luteum.
27. Option C is the correct answer. Male produces sperm and male has two sex chromosomes X ang Y. All the sperm produced contain either X or Y chromosome therefore the probability of carraying Y chromosome is 50%.
28. Option A is the correct answer. Serous membrane is a mesothelial tissue which lines certain internal cavities of the body.
29. Option D is the correct answer. Plasma proteins are large in size and thus do not pass during filtration.
30. Option C is the correct answer. The seminal vesicles secret seminal fluid which constitute 70% of the seman.
31. Option A is the correct answer. Villi and microvilli are small projection in small intestine which increases the surface area of intestine for effective absorption.
32. Option D is the correct answer. Liver secrets bile which is responsible for digestion of fats.
33. Option D is the correct answer. Acrosomal reaction occurs after a single sperm fertilized the egg to prevent another sperm to fertlize the same egg. Zona pellucida is the covering of egg which secrete enzymes for acrosomal reaction.
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.