Where are thermoreceptors located?
A. hypothalamus and skin
B. semicircular canals of the ear
C. aorta and vena cava
D. muscles, joints, and tendons
E. nasal cavity and tongue
Answer: A
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The bacteria that appear to maintain balance between the members of the normal microbiota and play a vital role in limiting colonization by pathogens are
A. staphylococci. B. diptheroids. C. Candida spp. D. Malassezia spp.
Which of the following is NOT a reaction pathway involved in the catabolism of arginine to generate ATP?
A. Citrulline + Pi ? ornithine + carbamyl-P B. Carbamyl-P + ADP ? ATP + CO2 + NH3 C. Arginine + 3 H2O ? CO2 + 4 ATP D. Arginine + H2O ? citrulline + NH3
The evolution of new species
A. always takes millions of years. B. can take place in one generation. C. is a rare event over hundreds of millions of years. D. is not occurring today.
Based on the phylogeny shown, which species is not a tree but has seeds?
A. Pine B. Rose C. Psaronius D. Oak E. Fern F. Ginkgo