Which of the following is incorrect about plan
B contraception?
a. it is used after intercourse has taken place
b. it is only available with a prescription for
women over 17
c. it delivers a large dose of progesterone
d. it prevents ovulation
e. all of these are correct about plan B
B
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The two types of transposable elements are DNA transposable elements (DNA TEs) and long terminal repeats (LTRs)
A. true B. false
Bile is stored and released by the ____
a. pancreas b. gallbladder c. liver d. duodenum e. stomach
Refer to the accompanying figure. The line on the graph labeled C represents the ____
a. change in entropy. b. change in enthalpy. c. change in free energy. d. activation energy with an enzyme. e. activation energy without an enzyme.
Which of the following statements BEST explains the observation that there are more autism cases now than in the past?
a. There are more parents who neglect their children, which is a cause of autism, now than in the past. b. Autism has been selected for in recent generations by natural selection. c. The vaccine for measles, mumps, and rubella has been established as a significant cause of autism. d. Doctors are more aware of the condition and have better techniques for diagnosing and reporting it. e. All of the above are equally good explanations for the observation that there are more autism cases now than in the past.