At 20°C, a Sample of Solid Spontaneously Sublimes to a Gas

question 86

Multiple Choice

At 20°C, a sample of solid spontaneously sublimes to a gas. This change in state is accompanied by which of the following changes in the solid sample?

• A)entropy & energy decrease
• B)entropy & energy increase
• C)entropy decreases & energy increases
• D)energy decreases & entropy increases

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Definitions:

Transcriptionally Inactive

Describes genes or segments of DNA that are not being transcribed into RNA.

Constitutive Genes

Genes that are continuously expressed under normal cellular conditions, providing the basic functions necessary for the cell's survival.

Housekeeping Genes

Genes that are constantly expressed to maintain basic cellular function; they are essential for the maintenance of normal cellular activities.

Alternatively Spliced

Refers to the process by which different combinations of exons are joined or spliced together, resulting in multiple mRNA variants from a single gene.