List Some Ways in Which Organisms Contribute to Mechanical Weathering

question 39

Essay

List some ways in which organisms contribute to mechanical weathering.

---

Definitions:

Cytoplasm

The gel-like substance within a cell, excluding the nucleus, that contains organelles and is the site of most cellular processes.

Pre mRNA

The initial, unmodified RNA transcript produced during gene transcription, prior to processing into mRNA.

Inducible Genes

Genes whose expression is either initiated or increased in response to specific stimuli.

Repressor

A protein that binds to specific DNA sequences, preventing the transcription of certain genes and thereby controlling gene expression.