The Quality of a Scanner Is Measured by the Number

question 59

Multiple Choice

The quality of a scanner is measured by the number of bits it stores in a pixel and the number of pixels per inch; the higher each number the _____ the scanner.

• A) poorer the quality, and the less expensive
• B) better the quality, and the less expensive
• C) poorer the quality, but the more expensive
• D) better the quality, but the more expensive

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Definitions:

Mediated Transport

The movement of substances across cell membranes facilitated by specific transport proteins.

Active Transport

A cellular process that requires energy to move substances across a cell membrane against a concentration gradient.

mRNA

Messenger RNA (mRNA) is a type of RNA that carries genetic information from DNA to the ribosome, where it serves as a template for protein synthesis.

tRNA

Transfer RNA, a form of RNA that carries amino acids to the ribosome during protein synthesis in accordance with the codons of mRNA.