What are gametes?
A. Sex hormones such as testosterone and estrogen
B. Reproductive organs such as testes and ovaries
C. Sex cells such as sperm and ova
D. Fertilized eggs that develop into embryos
Answer: C
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Which of the following is not true of urobilinogen?
A. A low level in the urine could indicate decreased bile production. B. It is a breakdown product of bilirubin. C. A high level in the urine could indicate hemolytic anemia or cirrhosis of the liver. D. It gives urine its yellow color. E. All of these are true of urobilinogen.
What type of bond is formed between potassium and iodine?
A. Ionic bond B. Hydrogen bond C. Polar covalent bond D. Nonpolar covalent bond
Of the three phases of swallowing, only the esophageal phase is involuntary.
Answer the following statement true (T) or false (F)
The flattening of the action potentials of myocardial contractile cells, called the plateau phase, is due to a combination of ________ K+ permeability and ________ Ca2+ permeability.
A) decreasing, decreasing B) increasing, increasing C) decreasing, increasing D) increasing, decreasing