In gymnosperms, which have no flowers, where does fertilization take place?
a. in the microsporangium of the male cone
b. in the wind where the ovule and pollen meet randomly
c. in the archegonium of the female cone
d. on the ground under the tree
c. in the archegonium of the female cone
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DNP (2,4-dinitrophenol) is an effective weight-loss agent that was used in diet pills in the 1930s
It has since been removed from the market (though it is available online) because of serious side effects such as fever, cataracts, rashes, and sometimes death. DNP inserts into the inner mitochondrial membrane and shuttles protons between the intermembrane space and the matrix. Based on this information, which of the following might you predict? What will be an ideal response?
In which year other than 2011 did the conditions not seem conducive to a rapid growth rate?
a. 2009 b. 2010 c. 2011 d. 2012
Which primate group is classified as hominins?
a. bonobos b. gorillas c. humans d. gibbons e. orangutans
A genetic cross was performed with two pea plants both with green, wrinkled seeds. Of the resulting offspring, 75% had green, wrinkled seeds and 25% had green, smooth seeds (W = wrinkled; w = smooth)
With regard to wrinkled versus smooth seeds, the parental plants must have been ________. Fill in the blank with correct word.