Were all of your transfers in class successful?
What will be an ideal response?
Yes, I had a turbid broth and uniform plate substance
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Both yellow and dengue fever can be prevented by vaccines
Indicate whether the statement is true or false.
What is a hybrid zone?
a. an area where no hybrids exist b. an area where two populations may breed and produce inviable, fertile offspring c. an area where two populations may breed and produce inviable, infertile offspring d. an area where two populations may breed and produce viable, fertile offspring e. an area where two populations may breed and produce viable, infertile offspring
The bacterium E. coli
a. is a normal inhabitant of the mammalian gut. b. has some mutant strains that produce toxins and cause disease. c. is grown in laboratories around the world. d. produces vitamin K. e. has all of these characteristics
Viral infections in plants often occur by the action of _____
a. reverse transcriptase b. disease vectors c. bacteriophages d. viral reassortment e. host cell DNA mutations