The two tissues of the eye with exposed surfaces susceptible to contamination are the ________ and the ________.
A. conjunctiva; lens
B. cornea; iris
C. conjunctiva; iris
D. conjunctiva; cornea
E. cornea; lens
Answer: D
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Most of the daily international flow of money is due to
A) trade in goods. B) trade in services. C) the buying and selling of bonds, securities, currencies, and other financial instruments. D) tourism.
Which membranous organelle, present in both animal and plant cells, is primarily used for storage?
A. the vacuole B. the Golgi apparatus C. the lysosome D. the mitochondrion
The diagram shows the rate of diffusion into a cell using carrier proteins.
Carrier proteins are saturated at which point?
A. 1 B. 2 C. 3 D. 4
A cell that has a cell wall is undergoing cell division, and the following events are observed: the formation of a cell plate and the division of the cell into two daughter cells. What type of cell is being observed and what process(es) is it going
through? A) prokaryote; telophase of mitosis B) animal cell; telophase and cytokinesis of mitosis C) plant cell; telophase and cytokinesis of mitosis D) plant cell; telophase II of meiosis