What is the role of the suprachiasmatic nucleus in circadian rhythms?
a. Its neurons generate a 24-hour rhythm by themselves.
b. Its neurons can reset the biological clock, but they do not generate it.
c. It relays visual information to the biological clock.
d. It relays information from the biological clock to areas that control temperature and activity.
Question 2
A dominant male with many offspring is best described as spreading ____.
a. only those genes that helped him become dominant
b. genes that are directly related to his becoming dominant
c. all of his genes, including genes that are irrelevant to dominance
d. genes that are directly or indirectly related to dominance
Parathyroid glands and the role of parathyroid hormone in calcium homeostasis.
(A) The structure of a neuron, showing the dendrites, nerve cell body, and axon. (B) Photomicrograph
Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus
Pathways involved in circadian rhythms
Role of Factors of Production in Determining Growth, 1975–2009
Role of Productivity in Determining Growth, 1975–2009