In which assisted reproductive method is the male sperm donor always unknown?
a. ART
b. AID
c. IVD
d. hMG
e. IVF
ANSWER: b
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Coastal mountain ranges produce:
a. rain shadows on the windward sides b. precipitation on the leeward sides c. dry areas on the leeward sides d. extensive grasslands on the windward sides e. high precipitation on both sides of the mountain
Which of the following is true of water-soluble
vitamins?
a. they are stored in body fat b. they are not destroyed by heat c. many are coenzymes d. deficiencies are rare e. all of these are true of water-soluble vitamins
What does it mean to "fix" carbon, and during which stage of photosynthesis is carbon fixed?
What will be an ideal response?
Review the discussion of evolution and the Investigating Life feature. Which of the following statements is/are most likely true?
a. Moths that could smell the nectar at the bottom of the orchid saw the need for a longer tongue, so they grew one that reached the nectar and passed on the longer tongue to their offspring b. Moths that could smell the nectar at the bottom of the orchid mated with females that had longer tongues so that their offspring might have a chance to reach the nectar c. At least one moth species has always been able to reach the nectar of the orchid. d. Moths with longer tongues are more likely to have access to the orchid nectar and are therefore more likely to survive to reproduction e. Orchds with deeper nectaries are more lkely to have moths rub against their polen, and are therefore more likey to reproduce, than orchids with shallow nectaries.