Topic 6.6: Hormones, homeostasis and reproduction

Question 1

Explain the homeostatic control of blood glucose concentration and how it is related to the causes and treatment of type I and type II diabetes.

Question 2

Outline thyroxin’s role in the homeostatic control of body temperature.

Question 3

Explain leptin’s role in the homeostatic control of appetite, and its failed use as a treatment for obesity.

Question 4

Explain melatonin’s role in the homeostatic control of circadian rhythms, and its use as a treatment for jet lag.

Question 5

Outline chromosomal sex determination in males and in females including the role of testosterone.

Question 6

Outline the role of testosterone in male sexual development

Question 7

outline the role of estrogen and progesterone in female sexual development.

Question 8

Explain how the menstrual cycle is controlled by positive and negative feedback mechanisms involving ovarian and pituitary hormones. (graph)

Question 9

Outline in-vitro fertilization (IVF).

Question 10

Explain how William Harvey’s investigation of sexual reproduction in deer exemplifies the dependence of scientific progress on the capabilities of scientific technology.

Question 11

Annotate diagrams of the female reproductive system to show names of structures and their functions.

Question 12

Annotate diagrams of the male reproductive system to show names of structures and their functions.