Transformation is used in genetic engineering to ____
a. generate bacteria with an F factor for conjugation
b. understand how bacteriophages transfer DNA to bacteria
c. obtain large quantities of viruses for study
d. produce large quantities of the inserted DNA to increase yields of a target product
e. introduce new genes into a bacterium’s mitochondrial DNA
ANSWER: d
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Mud flats are typically low in organic matter
Indicate whether the statement is true or false
Worldwide declines in the population size of frogs have recently been linked to ____
a. overharvesting b. a fungus c. dams d. decreases in global temperatures e. increases in precipitation
A patient in the United States complains of severe diarrhea after drinking water on a camping trip. This patient has most likely consumed ________ ________.Â
What will be an ideal response?
The cell theory states:
a. Cells form as organelles and molecules become grouped together in an organized manner. b. The normal functioning of an organism does not depend on its individual cells. c. The cell is the basic unit of life. d. Only eukaryotic organisms are made of cells.