Phenylacetic acid is added to the penicillin fermentation to allow incorporation of which side chain group?
A. Methyl
B. Acetyl
C. Benzyl
D. Propyl
Answer: C
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Despite acidic conditions, some microorganisms have been found residing within the human stomach.
Answer the following statement true (T) or false (F)
The earliest hominin fossils have been found in ____
a. Africa b. Asia c. Australia
d. the South Pacific e. Europe
Which of the following terms is used to describe a situation in which recombinant DNA technology is used on multicellular organisms:
a) transgenic technology. b) genetically modified organisms (GMOs). c) genetically modified foods (GMFs). d) All of the above can describe recombinant DNA technology in a multicellular organism. e) Only answers b) and c) are possible names for this type of technology.
You are given a new animal species to study. You note that it possesses segmentation. Based entirely on the knowledge that it is segmented, to which of these phyla might the new species belong? Check all that apply.
A. Chordata. B. Arthropoda. C. Cnidaria. D. Platyhelminthes. E. Annelida.