If plant breeders were to breed plants for release of certain compounds that attracted wasps this could help protect the plants from
A. other insects
B. herbivores
C. certain caterpillars
D. All of these are correct.
E. None of these is correct.
D. All of these are correct.
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The half-life of Carbon-14 is approximately 5,700 years. Using this information scientists have been able to determine the age of some artifacts left by humans. A scientist wants to know approximately how old a piece of wood was that she found on the floor in an old cave that had recently been discovered. She removed the wood (with permission) to her laboratory. Her wood sample contained 2 grams
of Carbon-14 . If the age of the wood was determined to be 22,800 years old, how much Carbon-14 originally existed in this piece of wood? A. 32 grams B. 16 grams C. 12 grams D. 8 grams E. 4 grams
DNA synthesis requires a(n) ____ primer
Fill in the blank(s) with the appropriate word(s).
A major disadvantage with current gene therapy techniques using viral vectors is the possibility of an immune response against the virus
Indicate whether the statement is true or false
All of the following are unique to the male reproductive system EXCEPT
a. the urethra. b. testicles. c. vas deferens. d. the epididymis