Which of the following is true of fluorescence microscopy?
A) Fluorescent light is emitted throughout the specimen being viewed.
B) Fluorescence microscopy is best at viewing rounded, thicker specimens.
C) Fluorescence microscopy is used to view dead specimens only.
D) Fluorescence microscopy is able to overcome problems encountered with using confocal scanning microscopy.
E) Fluorescence microscopy presents images in three dimensions.
A) Fluorescent light is emitted throughout the specimen being viewed.
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It has been hypothesized that fungi and plants have a mutualistic relationship because plants make sugars available for the fungi's use. What is the best evidence in support of this hypothesis?
A) Fungi survive better when they are associated with plants. B) Radioactively labeled sugars produced by plants eventually show up in the fungi with which they are associated. C) Fungi associated with plants have the ability to undergo photosynthesis and produce their own sugars, while those not associated with plants do not produce their own sugars. D) Radioactive labeling experiments show that plants pass crucial raw materials to the fungus for manufacturing sugars.
Fermentation is a process that proceeds without oxygen. Such a process can be described as ________.
Fill in the blank(s) with the appropriate word(s).
Where are phospholipids most likely found in a eukaryotic cell?
A) surrounding flagella B) around organelles C) the plasma membrane D) ribosomes E) the plasma membrane, around organelles, and surrounding flagella
The liquid component of the cytoplasm is known as the ________.
A. thylakoid B. stroma C. cytoskeleton D. cytosol