Aneuploidy describes all of the following except
a. Turner syndrome.
b. Klinefelter syndrome.
c. translocation.
d. XYY.
e. Down syndrome.
Answer: c
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ALL mushrooms are basidiomycetes
Indicate whether the statement is true or false.
Which of the following statements about the control of blood volume and blood pressure is false?
A. Angiotensin II stimulates the release of antidiuretic hormone, which increases salt and water uptake by the distal convoluted tubule. B. A drop in blood pressure stimulates the cells of the juxtaglomerular apparatus to release renin. C. Inactive angiotensinogen is converted to angiotensin II by an enzyme released from the lungs. D. Angiotensin II causes the smooth muscle in the walls of the arterioles to contract. E. Blood pressure and volume are monitored by baroreceptors in the aorta and carotid bodies.
Mutations in which of the following are most likely to lead to cancer?
a. genes that control the cell cycle b. genes that code for muscle proteins c. genes that code for nerve cells d. genes that control for eye color
The water vascular system in echinoderms is used for locomotion, water enters the water vascular
system of a sea star through a structure called the
a. ampulla. b. ossicle. c. radial canal. d. ring canal. e. madreporite.