Air leaving human lungs during exhalation contains
A) no oxygen.
B) no carbon dioxide.
C) only carbon dioxide.
D) carbon dioxide and unused oxygen.
Answer: D
Biology & Microbiology
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Indicate whether the statement is true or false.
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A) on minimal media. B) on complete media. C) only on amino acid supplemented media. D) only on vitamin supplemented media. E) on any media.
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Whether skin is penetrated
What will be an ideal response?
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Discovery of the bacterial cytoskeletal protein FtsZ provided an important link in the evolution of cells since ________.
A. it is only present in E. coli B. it is unrelated to any eukaryotic proteins C. it has no known function D. is was also discovered in mitochondria and chloroplasts
Biology & Microbiology