Which of the following builds new strands of DNA?
A)DNA helicase
B)DNA polymerase
C)the replication fork
D)the lagging strand of DNA
E)the leading strand of DNA
B)DNA polymerase
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________ are clusters of lymphatic nodules located beneath the epithelial lining of the small intestine.
A) Tonsils B) Peyer's patches C) Adenoids D) Immune complexes E) Lymph nodes
Commissural tracts
A. connect a region of one lobe with another lobe in the same hemisphere. B. connect different regions within a lobe. C. extend between the right and left cerebral hemispheres. D. connect different regions of the cerebral cortex within the same hemisphere. E. link the cerebral cortex to the caudal brain regions and the spinal cord.
What are the smallest conducting passageways of the lungs?
A) main (primary) bronchi B) alveoli C) terminal bronchioles D) alveolar ducts
Which of the following is NOTÂ an accessory organ to the digestive system?
A. Duodenum B. Gallbladder C. Liver D. Teeth