Which of the following contributes to the semen?
A. penis
B. bulbourethral gland
C. epididymides
D. urethra
E. vas deferens
Answer: B
Biology & Microbiology
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How are the gastric glands in the stomach protected from digestion by the enzyme they produce?
What will be an ideal response?
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Although Lamarck's hypothesis was wrong, it is significant. Why?
What will be an ideal response?
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The ultimate source of energy trapped during photosynthesis is
a. CO2. b. H2O. c. O2. d. sunlight.
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Which of the following is TRUE about waxes?
A) They are unsaturated and most similar to proteins. B) They are an important food source, and most animals have enzymes for breaking them down. C) They are a type of complex carbohydrate. D) They are saturated fats and are solid at normal outdoor temperatures.
Biology & Microbiology