Tay-Sachs disease affects which system?
a. reproductive
b. digestive
c. respiratory
d. nervous
e. cardiovascular
Answer: d
You might also like to view...
The complex mixture of polymers coating the spore that protect the spore from dessication and UV radiation is ____
Fill in the blank with the appropriate word.
While in the biology lab, you observe, in both plant and animal cells, that some single cells are splitting into two daughter cells. You also observe that the splitting cells are still connected by a contractile ring and the cytoplasm has started to divide. You conclude these cells are undergoing
A. metaphase. B. mitosis. C. cytokinesis. D. anaphase. E. binary fission.
In which biome would you expect to find large numbers of black bears, snowshoe hares, moose, lynx, wolves, and deer?
A) Chaparral B) Savanna C) Northern coniferous forest D) Desert E) Tropical rain forest
Vascular plants appeared about 450 million year ago. Vascular plants have existed on earth for ________.
A. 75% of its history B. 10% of its history C. 50% of its history D. 90% of its history E. 20% of its history