A ____ Is a Number That Uses a Decimal Point

question 16

Multiple Choice

A ____ is a number that uses a decimal point to denote a unit that is smaller than 1.

• A) fraction
• B) mixed unit
• C) decimal fraction
• D) whole number

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Definitions:

Transcription Factor

Regulatory protein that influences transcription by binding directly to DNA; e.g., an activator or repressor.

Enhancer

DNA sequences that increase the transcription level of a gene they are associated with, enhancing gene expression.

Lactose Operon

A group of genes involved in the metabolism of lactose in bacteria, controlled by a mechanism that turns gene expression on or off depending on the presence of lactose.

Enzymes

Biological molecules, typically proteins, that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.