One part of Darwin's theory is that individuals
with certain traits have an increased
competitive edge. The source of these traits is
a. adaptation to stress.
b. development over a lifetime.
c. inheritance.
d. mutation after birth.
e. all of these.
C
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Bacterial and eukaryotic replication have many similarities. Which of the following is not a true comparison?
A. Both form loops with the lagging strand template to accommodate the antiparallel nature of DNA. B. Both incorporate a sliding clamp mechanism in their replication polymerase. C. Both the primase of bacteria and Pol ? of eukaryotes are responsible for primer synthesis and only incorporate ribonucleotides. D. Eukaryotic replication rates are slower than bacterial rates. E. The Okazaki fragments generated in eukaryotes are shorter than those in bacteria.
Boiling will not inactivate Giardia lamblia cysts in contaminated water.
Answer the following statement true (T) or false (F)
If a woody plant in dormancy is placed in a
greenhouse so that only one limb is exposed to the cold winter temperatures, eventually the a. whole plant breaks dormancy and starts growing. b. parts of the plant that were inside the greenhouse start blooming. c. limb exposed to the low temperature dies. d. limb exposed to the low temperature breaks dormancy. e. limb exposed to the low temperature never forms seeds.
During the course of fish evolution, two of the gill arches evolved into ________.
A. the pectoral fins B. the jaw C. gills D. the swim bladder E. No answer choice is correct.