White blood cells have surface receptors called _________ receptors that serve as their "feelers" for foreign substances.
A) Pattern recognition
B) Pathogen molecular
C) Antibody recognition
D) Immunogenic
A) Pattern recognition
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What is the function of sex pili in prokaryotes?
a. biofilm formation b. transfer of DNA c. protein polymerization d. energy production e. lipid synthesis
In flatworms and sea anemones, circulation of
solutes and gases is by way of
a. interstitial fluid diffusion. b. an open circulatory system. c. a closed circulatory system. d. cell to cell transport. e. intracellular diffusion.
The great adaptive radiation that resulted in all
of the major animal lineages occurred in the ___ period.
a. Cretaceous b. Devonian c. Jurassic d. Ordovician e. Cambrian
Which of the following processes is associated with the outer mitochondrial membrane?
A) phospholipid synthesis B) pyruvate oxidation C) ?-oxidation of fats D) proton translocation for ATP synthesis E) electron transport