A culture technique that encourages the growth of specific microbes while inhibiting the growth of others is a(n) ________ culture.
Fill in the blank(s) with the appropriate word(s).
enrichment
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Two of the classic signs of infection, swelling and redness, are a result of:
A. the increase in cell density due to migration of phagocytes. B. the influence of histamines on blood vessels. C. changes in osmotic balance due to the presence of cytokines. D. All of the answer options are correct.
cDNA is copied from
A) DNA. B) protein. C) mRNA. D) a pictogram.
A hominin of Europe and Asia that became
extinct nearly 30,000 years ago was a. a dryopith. b. Australopithecus. c. Homo erectus. d. Homo neanderthalensis e. Homo floresiensis.
Shawfiq must have a benign tumor removed from his brain. The surgeon tells him that only local anesthesia will be administered as she cuts through Shawfiq's scalp and that he will remain conscious the whole time
Shawfiq is really nervous about this because the brain seems to be a very sensitive area to have surgery on, particularly while he is wide awake. Explain to him why he shouldn't be so nervous.