Amphipathic organic molecules that serve as disinfectants by disrupting membranes and denaturing proteins are called
A. detergents.
B. oxidants.
C. sterilants.
D. soaps.
Answer: A
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Dr. Asbjorn Folling discovered that the blood of children affected by PKU reacted with ferric chloride to produce a green color indicating the presence of phenylalanine
a. True b. False Indicate whether the statement is true or false
The first event in photosynthesis is the:
a. movement of hydrogen ions through ATP synthases b. donation of electrons from a photosystem to an electron transfer chain c. fixation of carbon dioxide d. breakdown of the thylakoid membrane e. formation of phosphoglyceraldehyde
When Tewsbury and Nabhan carried out feeding preference studies, they were testing their hypothesis that peppers are hot
A. to promote pollination of the peppers. B. to deter seed destroyers without affecting dispersers. C. to deter all animals from destroying the seeds. D. for a reason unrelated to seed dispersal or destruction. E. to promote dispersion when animals drop the hot fruit.
Transcription takes place in the ____of the cell
Fill in the blank(s) with the appropriate word(s).