The annual growth rings seen in trees are made up of
a. apical meristem.
b. cork cambium.
c. vascular cambium.
d. both apical meristem and cork cambium.
C
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The only cetaceans known to feed on warm-blooded animals are the:
a. sperm whales. b. bottlenose dolphins. c. killer whales. d. porpoises. e. minke whales.
The Rb gene is located at 13q14. This locus is on
A. the long arm of chromosome 14 B. the long arm of chromosome 13 C. the short arm of chromosome 14 D. the short arm of chromosome 13
Which type of meningitis is also a frequent cause of pneumonia?
a) Meningococcal meningitis b) Pneumococcal meningitis c) Listeriosis d) Haemophilus influenzae meningitis
Which of the following statements about the lagging strand is false?
A) It builds in the opposite direction of the helix unwinding. B) It is where one would find Okazaki fragments. C) It synthesizes many RNA primers. D) It uses only one molecule of DNA polymerase I. E) It is a discontinuous process.