Which of the following did Gregor Mendel never see?
a) a chromosome
b) a stamen
c) an F2 generation
d) a pea
e) a hybrid
Answer: a) a chromosome
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Which type of ion channel is shown in this illustration?
a. voltage sensitive ion channel
b. light sensitive ion channel
c. mechanosensitive ion channel
d. temperature sensitive ion channel
Gene pharming is the use of
A. transgenic plants to produce larger vegetables and sweeter fruits. B. transgenic farm animals to produce pharmaceuticals. C. bacteria for bioremediation. D. STR profiling to determine evolutionary relationships among organisms.
Parasitic and scavenger fish
A) sharks and rays B) lamprey and hagfish C) bony fish D) coelacanths
Which of the following is a MAJOR trade-off in life histories?
a. number of reproductive events for number of offspring per reproductive event b. growth for reproduction c. size of offspring for number of reproductive events