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16. What is gene expression?​

Sagot :

HelperWarsidn

Answer:

Gene expression is the process by which information from a gene is used to synthesize a functional gene product, usually a protein.

Explanation:

Ang gene expression ay ang proseso kung saan ang impormasyon mula sa isang gene ay ginagamit upang makabuo ng isang functional na produkto, karaniwan ay isang protina.

Adadieeeidn

Gene expression is the process by which information from a gene is used to synthesize a functional gene product, typically a protein, though it can also result in RNA molecules.

Characteristics of Gene

1. Transcription and Translation

Gene expression involves two main stages:

  1. Transcription - The DNA sequence of a gene is transcribed into messenger RNA (mRNA).
  2. Translation - The mRNA is then translated into a protein at the ribosome.

2. Regulation

Gene expression is tightly regulated at multiple levels, including transcriptional, post-transcriptional, translational, and post-translational controls. Regulatory mechanisms ensure that genes are expressed at the right times and in the right amounts, responding to various internal and external signals.

3. Cell Type and Development Specificity

Gene expression can vary significantly between different cell types and developmental stages. This differential expression allows for cellular diversity and the specialization of functions in multicellular organisms. For example, genes expressed in muscle cells differ from those in nerve cells, contributing to the unique functions of each cell type.