What effects do hypothyroidism and hyperthyroidism have on metabolism? What will be an ideal response?
Concepts to Consider: Hypothyroidism--when there is almost no secretion of thyroid
hormones in an adult, the person has a 40% reduction in basal metabolic rate. This slows
down physical and mental activities. The person may feel sleepy, low in energy, and
confused. Hyperthyroidism--when there is an over secretion of thyroid hormones, metabolic
rate can increase by more than 60%. The person often feels hungry due to a rapid use of
nutrients, nervous, emotionally unstable, and irritable.
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In animals, the egg and sperm cells are:
A. polyploid. B. diploid. C. haploid. D. None of these choices are correct.
Which of the following is false about reproductive
system cancers in males? a. Prostate cancer is a leading cause of death in men. b. There are 7,000 cases of testicular cancer diagnosed each year in the Unites States. c. Some individuals who have prostate cancer are unaware of their condition. d. Prostate cancer and testicular cancer produce painful symptoms in their early stages. e. Early treatment of testicular cancer has a high success rate.
Homoplastic structures are a result of ____ evolution
a. derived b. divergent c. convergent d. multiphyletic e. the absence of
What makes blood red?
A. globulins B. albumin C. hemoglobin D. fibrinogen E. platelets