The Michaelis constant (Km) of an enzyme is the substrate concentration that produces maximum velocity.
Answer the following statement true (T) or false (F)
False
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Antibody titer can be measured by
A) negative microscopy. B) agglutination. C) plate counts done after isolating the pathogen. D) polymerase chain reaction.
Why does the pyramidal cell, above, illustrate the concept of information integration in the nervous system?
A. It has many dendrites and a single axon. B. It has a cell membrane. C. It is an excitable cell. D. It has a nucleus, in which transcription and translation occur. E. It has many dendrites and a single axon; it has a cell membrane; it is an excitable cell; and it has a nucleus, in which transcription and translation occur. F. All of these are parameters of the pyramidal cell that illustrate the concept of information integration.
According to the latest research, what statement best describes the first eukaryote?
a. It lacked a nucleus, a mitochondrion, or a chloroplast. b. It lacked a nucleus, but contained a mitochondrion and a chloroplast. c. It contained a nucleus and a chloroplast, but not a mitochondrion. d. It contained a nucleus and a mitochondrion, but not a chloroplast. e. It contained a nucleus, a mitochondrion, and a chloroplast.
Non-native species can have important effects on biological communities by ________
A) preying upon native species only B) competing with native species for resources only C) reducing biodiversity only D) All of these are effects that non-native species can have on biological communities.