Transduction is the result of what mistake that viruses make during replication?
A. cutting up the bacterial chromosome
B. cutting up the viral genome
C. transcribing bacterial genes upon excision
D. incorporating bacterial genes during phage assembly
E. inserting a viral DNA fragment into the bacterial chromosome
D. incorporating bacterial genes during phage assembly
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Eukaryotes originated after the rise in atmospheric oxygen
Indicate whether the statement is true or false.
Which of the following processes is primarily responsible for the fact that mammals are not capable of parthenogenesis?
A. dosage compensation B. gene silencing C. imprinting D. Barr body formation
You are dissecting a fish in your biology laboratory section. Your teaching assistant points out a long oval structure and tells you it is an endocrine gland. Which of the following would you then know is a true statement about this structure?
A) It secretes a product that is released through a series of ducts. B) The gland's product will only interact with receptors on the cell membrane. C) The gland's product is lipid soluble. D) The gland produces and secretes its product into the blood.
Your instructor has assigned you the task of identifying an unknown fungus. When you examine the cellular structure under the microscope, you note that the cells are flagellated. To which group does the unknown fungus belong?
A. bread molds B. conidia C. chytrids D. choanflagellates E. yeasts