You are working with cells and observe transport of your target protein within a cell. You suspect that sorting conforms to the SNARE hypothesis. You, therefore, expect
A) to eventually identify vesicle-SNAP receptors.
B) to eventually identify transport-SNAP receptors.
C) an association with clatherin-coated pits.
D) the protein molecules were internalized by phagocytosis.
E) all of the above
A) to eventually identify vesicle-SNAP receptors.
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Mycorrhizal fungi can either be intracellular or extracellular.
Answer the following statement true (T) or false (F)
Leopard seals feed on emperor penguins, which feed on secondary consumers. Which trophic level would the leopard
seal occupy in this food web?
a. decomposer b. detritivore c. primary consumer d. primary producer e. quaternary consumer
The first major divergence of life gave rise to
all of the following except a. bacteria. b. archea. c. ancestors of the eukaryotes. d. endomembrane systems. e. The first major divergence of life gave rise to all of these
Which of the following best describes IgM antibodies?
A) They cause basophils and eosinophils to degranulate. B) They are the most common type of antibody in the blood during the initial stages of an immune response. C) They are the antibody class found in body secretions. D) They interact with phagocytes and NK cells. E) They can cross the placenta to provide passive immunity.