The river continuum concept suggests that one of the following is higher in headwater streams
A) autochthonous carbon
B) allochthonous carbon
C) phytoplankton abundance
D) macrophyte abundance
B
Biology & Microbiology
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The letter "A" in the accompanying figure represents the ____
a. humerus b. pectoral girdle c. skull d. sternum e. pelvic girdle
Biology & Microbiology
Enzymes used to cut genes in recombinant DNA
research are a. ligases. b. restriction enzymes. c. transcriptases. d. DNA polymerases. e. replicases.
Biology & Microbiology
Which of the following is MOST effective against resistant endospores?
A. Pasteurization B. Boiling C. Autoclaving D. All of these are equally effective against resistant endospores.
Biology & Microbiology
Which of the following molecules are produced by transcription?
A. Ribozymes B. Ribosomal proteins C. Messenger RNA
Biology & Microbiology