During a menstrual cycle, a midcycle surge of _____ triggers ovulation
a. estrogens c. LH
b. progesterone d. FSH
C
You might also like to view...
Examine Figure 41.1c. Which of the following best describes conditions at equilibrium?
A. No water molecules are moving across the barrier between the two compartments. B. A net movement of water molecules continues to add water to the right-hand compartment. C. A net movement of water molecules begins to add water to the left-hand compartment. D. Water molecules move randomly across the barrier with no net addition of water to either side. E. None of these choices accurately describe conditions at equilibrium.
The transforming principle described by Griffith in his work with Streptococcus pneumoniae is ____
a. a polysaccharide capsule b. a phospholipid c. protein d. RNA e. DNA
Which of the following is the proper sequence for mitosis (I. metaphase, II. telophase, III. prophase, IV. anaphase)?
A) III, IV, I, II B) I, III, IV, II C) III, I, IV, II D) I, II, III, IV E) IV, I, III, II
Sarah loved to run in the dry desert town of Needles, CA. However, when she moved to Mobile, AL, on the coast of the Gulf of Mexico, she was surprised that when she went out for a jog at 91°F (33°C), she developed dizziness and confusion sooner than
she had in the desert at the same temperature. She is probably suffering from ________. A) homeostasis B) hypothermia C) hyperthermia D) hypothalamus