You find a strange infection in your mouth and visit your dentist. The dentist said the new organism was prokaryotic because it had ________
A) circular DNA
B) DNA in the nucleus
C) relatively large cells
D) membrane-bound organelles
A
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King Frederick William of Prussia failed in his attempts to create an army of giants because of all the
following reasons except one. Select the exception. A. Human life spans are too long. B. Children of the crosses were actually shorter than their parents. C. Size in humans is too complex a trait. D. There was too much resistance to his program because of ethical considerations. E. There are no exceptions. All of these reasons are correct.
Which of the following groups of land plants appeared in the fossil record most recently?
A. mosses B. horsetails C. ferns D. gymnosperms E. angiosperms
Which two food chains are characteristic of nearly all food webs?
a. Grazing, carnivorous b. Producing, carnivorous c. Grazing, detrital d. Detrital, producing e. Producing, decomposing
Tight junctions between muscle cells help muscle tissue function as a unit
Indicate whether the statement is true or false.