The protein pump that lowers the PH to 2 in the primary lysosome starts working in:
a. Medial face of the Golgi
b. Trans face of the Golgi
c. Before clathrin recycles
d. After clathrin has been recycled
e. None of the above
Answer: d. After clathrin has been recycled
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Protists do not constitute a kingdom because they do not share a unique common ancestor
Indicate whether the statement is true or false.
The difference between somatic cell gene therapy and germline therapy is that
A. germline therapy is the temporary repair of a genetic mutation, whereas somatic cell therapy is a permanent fix. B. germline therapy overcomes a protein malfunction in specific tissues but is not repaired in the entire organism and cannot be passed on to offspring. C. somatic cell gene therapy is introduced into the egg, sperm or developing embryo, whereas germline therapy introduces a new gene into a mature tissue. D. somatic cell gene therapy overcomes a protein malfunction in specific tissues but is not repaired in the entire organism and cannot be passed on to offspring.
All of the following statements are TRUE about orthologous genes except __________
a. Orthologs are genes that are homologous due to speciation. b. The principle of parsimony can be used in comparing the organization of orthologs. c. The insulin genes in mammals and birds are orthologs. d. The organization of orthologous genes shows only minor discrepancies between species. e. None of the above
Which of the following is an effect of an antimicrobial that blocks tubulin polymerization?
A. Preventing binary fission in bacteria. B. Preventing mitosis in eukaryotes. C. Preventing bacterial motility. D. Preventing pilus formation in bacteria. E. Preventing cytoplasmic membrane synthesis in eukaryotes.