What are the prevailing winds in the United States?
A. Westerlies
B. Easterlies
C. Southeast tradewinds
D. Northeast tradewinds
E. Doldrums
Answer: A
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Which of the following structures are not associated with ion regulation in animals?
A. nasal salt glands B. malphigian tubules C. tear ducts D. kidneys
The name given to the reaction involving removal of electrons or hydrogen atoms from a compound is termed
A. glycolysis. B. reduction. C. oxidation. D. metabolism.
When only one copy of a human beta globin gene codes for valine instead of glutamic acid in position 6, then that person is ________
a. capable of making both normal and abnormal hemoglobin b. completely normal c. affected with sickle cell anemia d. none of the choices
Through genetic engineering, it is possible for scientists to identify the sequence of bases in DNA, determine the location of certain genes in DNA, and create more DNA from DNA samples
Indicate whether the statement is true or false