Which Form of Microscopy Is Used with DNA Microarrays to Observe

question 48

Multiple Choice

Which form of microscopy is used with DNA microarrays to observe differences in gene expression?

• A) light microscopy
• B) atomic force microscopy
• C) scanning electron microscopy
• D) transmission electron microscopy
• E) confocal fluorescence microscopy

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Definitions:

Vessel Element

A type of cell found in the xylem of plants, involved in water transportation; these cells are elongated and connect end to end to form tubes.

Companion Cell

A type of cell in plants that supports the function of the adjacent sieve tube elements in the phloem, facilitating the transport of sugars.

Transpiration

A system wherein water travels from the roots up to minuscule openings underneath the leaves of plants, turning into vapor that is then discharged into the atmosphere.

Translocation

The process of moving a segment of DNA from one location to another in the genome, often leading to genetic mutations or changes.