Which two structures of the human digestive tract can be classified as endocrine glands since they
produce hormones?
a. liver and gallbladder
b. liver and pancreas
c. liver and small intestine
d. pancreas and small intestine
e. pancreas and stomach
E
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Describe how a pharmaceutical company might use a bioassay to identify potential drugs in rainforest plants.
What will be an ideal response?
Overexpression of proteins using bacteria :
A. makes subsequent purification of the recombinant DNA harder. B. requires bacterial promoters to be present in the bacterial vector. C. requires eukaryotic promoters to be present in the bacterial vector. D. requires eukaryotic ribosome binding sites to be present in the bacterial vector. E. results in a properly folded, active protein.
A community of organisms interacting with their physical environment is a(n) ______.
A. population B. organism C. biosphere D. ecosystem E. macromolecular community
The cervix is labeled
a. 3. b. 4. c. 5. d. 6. e. 7.