Two species of spiny anteaters (echidnas) and the duck-billed platypus are the only known living members of which of the following mammalian lineages?
a. Strepsirhini
b. monotremes
c. Rodentia
d. Haplorhini
e. marsupials
B
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Adaptive immune responses are directed at pathogen molecules called
A) antigens. B) antibodies. C) T-cell receptors. D) PAMP.
Trace fossils include all of the following except:
A. the mineralized skull of an ancient mammal. B. the trail left by a crawling worm. C. the impression of a bird feather. D. a dinosaur footprint. E. the burrow of an extinct crab.
ABO blood type demonstrates which of the following inheritance patterns? (Select all that apply.)
A) complete dominance B) incomplete dominance C) codominance D) pleiotropy E) three genes are involved
Which organelle are involved in energy conversion?
A. mitochondria and chloroplast B. mitochondria and ribosomes C. smooth and rough endoplasmic reticulum D. Golgi Apparatus and chloroplasts