Like the insects, the arachnids (spiders and so on) have
(a) three pairs of walking legs.
(b) one pair of antennae.
(c) true mandibles.
(d) an abdomen.
(d) an abdomen.
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Thermodynamics tells us that efficiency in reactions is important and determined by how much energy is lost to heat in a reaction. In the metabolism of glucose, what percentage of the energy is extracted?
a. 50 percent b. 100 percent c. 34 percent d. less than 10 percent
What is the survival rate for children with childhood leukemia?
A. 99% B. 30% C. 50% D. 10% E. 80%
Which one of these substances would NOT be produced at the same time as coagulase?
A) fimbriae B) hemolysin C) capsules D) fibrinolysin
Reiji Okazaki discovered that what are now called "Okazaki fragments" produced during DNA
replication. These are
a. short lengths of new DNA on the leading strand. b. RNA primers on the lagging strand. c. RNA primers on both the lagging and leading strand. d. short lengths of new DNA on the lagging strand. e. RNA primers on the leading strand.