What would be observed by live-cell fluorescence microscopy immediately after HIV entry if HIV is endocytosed first, and then later fuses with the endocytotic vesicle membrane?
A) A spot of red fluorescence will be visible on the infected cell's plasma membrane, marking the site of membrane fusion and HIV entry.
B) The red fluorescent dye-labeled lipids will appear in the infected cell's interior.
C) A spot of red fluorescence will diffuse in the infected cell's cytoplasm.
D) A spot of red fluorescence will remain outside the cell after delivering the viral capsid.
B
You might also like to view...
RNA molecules that have catalytic activity are known as ________.
Fill in the blank(s) with the appropriate word(s).
What are integral membrane proteins?
What will be an ideal response?
The thickened cuticle of xerophytes is an adaptation for _________.
A. Enhanced cereal production B. Higher rates of evaporation C. Living in cold environments D. Living in humid rainforests E. Living in hot, dry environments
Select the best response to the question. ?How does tuberculosis progress from latent to active?
A) The patient's sputum turns bloody. B) It becomes active when an infected person coughs or sneezes. C) The infection droplets (bacilli) escape encapsulation and begin producing symptoms. D) The purified protein derivative (PPD) test turns positive.