Meselson and Stahl separated DNA from different generations using:a
density gradient centrifugation.
b. gel electrophoresis.
c. an electron microscope.
d. differential radioisotope labeling.
e. None of these
A
You might also like to view...
Match the reactant in gluconeogenesis on the left with the appropriate enzyme on the right.
A) hexokinase B) phosphoenolpyruvate carboxykinase C) oxaloacetate kinase D) aldolase E) pyruvate carboxylase F) pyruvate kinase G) phosphoglyceromutase H) fructose-1,6-bisphosphatase I) glucose-6-phosphatase 1 pyruvate 2. oxaloacetate 3. fructose-1,6-bisphosphate 4. glucose-6-phosphate 5. 2-phosphoglycerate
Enzymes increase the rate of a given reaction by lowering what kind of energy?
a. combination b. activation c. thermal d. electrical e. solar
Which of the following is the least successful
method of birth control? a. early withdrawal b. a condom alone c. a spermicidal jelly or foam alone d. douching e. the Pill
What would you find in the heart of a human?
A. one atrium and two ventricles B. one atrium and one ventricle C. two atria and one ventricle D. two atria and two ventricles E. two atria and a partially divided ventricle