In Vertebrates, Most of the Fluid That Ultimately Exits the Body

question 16

Multiple Choice

In vertebrates, most of the fluid that ultimately exits the body as urine first enters the nephron tubules by the process of ____________.

• A)absorption
• B)excretion
• C)filtration
• D)reabsorption

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Definitions:

Regulation of Transcription

The process of controlling the rate and manner in which genetic information is transcribed from DNA to mRNA, influencing gene expression.

mRNA Processing

A series of modifications made to mRNA molecules following transcription, including splicing, capping, and polyadenylation, which prepare mRNA for translation.

Chromatin

A complex of DNA and protein found in the nucleus of cells, which condenses to form chromosomes during cell division.

Promoter

A region of DNA that initiates transcription of a particular gene, acting as a binding site for RNA polymerase.