A drop of dilute ammonium Hydroxide (NH4OH) is placed on one slide containing a large number of swimming paramecium. Under this condition, which of these behaviors of the paramecia will be observed?
a. They will eventually all swim toward the ammonium hydroxide
b. They will show no net change in behavior to the ammonium hydroxide
c. The will be instantly killed by the ammonium hydroxide
d. They will eventually all swim away from the ammonium hydroxide
Answer : D. They will eventually all swim away from the ammonium hydroxide
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A. squamous B. cuboidal C. columnar D. transitional
The organelles that are the “protein factories” for the cell are the:
a. ribosomes b. mitochondria c. Golgi apparatus d. centrioles
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Fill in the blank(s) with correct word
For every artery, there is a vein with the same name.
a. true b. false