What was the conclusion of the Hershey-Chase experiments?
A. Their results suggested the presence of a transforming principle.
B. Their results suggested that DNA is a double helix
C. Their results suggested that A+G=T+C
D. Their results suggested that the DNA is the genetic material
D
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How might a plant communicate to another plant that it has been attacked by a herbivore?
What will be an ideal response?
Which of the following human bones is
incorrectly paired?
a. fibula--tibia b. ulna--radius c. scapula--clavicle d. sternum--ribs e. femur--carpals
Which country would be expected to have the greatest species richness per unit area?
a. Japan b. United States c. Brazil d. Canada e. New Zealand
The part of a mitochondrion that is analogous to the stroma of a chloroplast is the
A) outer membrane. B) grana. C) thylakoids. D) inner membrane. E) matrix.