The evolutionary explosion of new species from a common ancestor is
A. adaptive radiation.
B. convergent evolution.
C. divergent evolution.
D. gradualism.
A. adaptive radiation.
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If a hormone caused an increase in protein kinase activity, predict the type of hormone responsible and the
intracellular signaling mechanism of its action.
What will be an ideal response?The thinking process of drawing specific statements from a general principle or idea is called:
a. scientific method. b. deductive reasoning. c. inductive reasoning. d. logical reasoning. e. logical-positivist reasoning.
The pulmonary vein carries blood that is rich in oxygen back to the heart. Is there anything unexpected about the name of this vein?
A. Veins usually carry blood that has been depleted of oxygen. B. There is nothing unexpected about the name of this vein. C. Pulmonary refers to veins that carry blood to the lungs. D. Veins usually carry blood away from the heart.
Which of the following is true of transcription factors?
A) They regulate the synthesis of DNA in response to a signal. B) They transcribe ATP into cAMP. C) They initiate the epinephrine response in animal cells. D) They control gene expression. E) They regulate the synthesis of lipids in the cytoplasm.