Some cells of the innate immune system present antigens to t cells of the adaptive immune system. cells that can present the antigens are logically called antigen-presenting cells (apcs) and include which of the following? choose one or more:
a. basophils
b. dendritic cells
c. neutrophils
d. natural killer cells
e. macrophages
f. eosinophils
Answers: 3
Biology, 22.06.2019 02:00, badpotterchris
How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
Answers: 1
Biology, 22.06.2019 06:50, wildfox479
What is the period of cell life when it is conducting
Answers: 2
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