True or false: sequences that are conserved (i.e., similar in many different organisms) are unlikely to be functionally important
A. true
B. false
B
Biology & Microbiology
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All of the following are major steps in the treatment of a community's drinking water except:
A) boiling. B) filtration. C) flocculation. D) sedimentation.
Biology & Microbiology
What is similar about G protein-coupled receptors (GPCRs) and receptor tyrosine kinases (RTKs)?
A. Both are directly bound to G proteins B. Both can activate phospholipase C C. Both are enzymes D. Both are activated by autophosphorylation
Biology & Microbiology
A typical bacterial cell is approximately the same size as which of the following?
a. a protein b. a frog egg c. a mitochondrion d. a plant cell
Biology & Microbiology
kills disease causing organisms, activates pepsin, breaks down meat connective tissue
What will be an ideal response?
Biology & Microbiology