In the northern hemisphere, the tradewinds blow towards which direction? (note: not the direction they originate from)
What will be an ideal response?
Southwest
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The capillaries clustered around kidney tubule cups differ from other capillaries in that they____
a. have a much wider diameter b. are much leakier c. have arterioles at either end d. carry lymph with blood e. have more than one of these characteristics
A heart with three chambers, one atrium, and two ventricles is shared by _____
a. reptiles and mammals b. reptiles and amphibians c. amphibians and mammals d. birds and mammals e. birds and reptiles
Lamarck believed
a. that a substance called fluida moved through the nerves to areas of the body in need of change. b. in the inheritance of acquired characteristics. c. that giraffes’ necks elongated in response to stretching. d. that environmental pressures bring about changes in organisms. e. all of these were true.
Consider a strand of DNA with the sequence GAATTCGGCA. What is the sequence of the complementary strand?
A) ACGGCTTAAG B) AGGCCTAATG C) CTTAAGCCGT D) GAATTCGGCA