No cases of attenuated polio virus reverting to a neurovirulent strain have been documented.
Answer the following statement true (T) or false (F)
False
Biology & Microbiology
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What event results from the hydrolysis of ATP to ADP by the myosin head?
A. cross-bridge formation B. shortening of the muscle fiber C. cocking of myosin head to its high-energy position D. the power stroke
Biology & Microbiology
Humans display how much DNA similarity with mice?
A. 80% B. 90% C. 60% D. 50% E. 70%
Biology & Microbiology
The life cycle of flowering plants includes
a. formation of pollen. b. formation of eggs. c. fertilization. d. formation of seeds. e. all of these.
Biology & Microbiology
Polyandry is more common than polygyny
Indicate whether the statement is true or false
Biology & Microbiology