Which feature of mitochondria provides the least amount of information about their endosymbiotic origins?
A. Mode of replication
B. Independent replication
C. Phospholipids in the membranes
D. Circular chromosome
Answer: C
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Describe two characteristics of capillaries that aid in their function as the site for exchange between blood and interstitial fluid
What will be an ideal response?
Collectively, the amygdala, olfactory bulbs, hippocampus, and parts of the thalamus and hypothalamus are said to form
A. the frontal lobe. B. the reticular formation. C. the sympathetic division. D. the limbic system. E. the basal nuclei.
There is much controversy in the news—both scientific and popular—about the use of embryonic stem cells for research. These cells are grown as cell lines in culture, created by taking the inner cell mass from 5-day-old embryos
What is the center of the controversy? A) the fact that the embryos are mostly those unused by in vitro clinics B) the knowledge that these cell lines have reverted spinal cord injuries in mice C) the unproven usefulness of stem cells to treat human disorders D) the realization that these cells are pluripotent rather than totipotent E) the difference of opinion about whether these embryos are persons
Genetic engineering could play a role in developing all of the following EXCEPT which one?
a. methods to enhance crop yield b. methods to limit disease c. gene therapy d. Genetic engineering could play a role in developing all of the above.