gene expression

BBCCT-123 Assignment Answer Links – Gene Expression and Regulation (2025)

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Assignment Overview This post provides direct links to the answers for the BBCCT-123: Gene Expression and Regulation assignment for the year 2025. Each question has been answered in detail using simple, student-friendly language (suitable for 10th standard level and above). Click on the links below to view individual answers. Answer Links A) Define transcription and […]

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A) How do environmental conditions influence gene expression in prokaryotes? Provide examples.

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Introduction Prokaryotic organisms, such as bacteria, live in constantly changing environments. To survive, they must be able to quickly turn genes on or off in response to different conditions. This process is known as gene regulation. In this answer, we’ll explore how environmental conditions influence gene expression in prokaryotes, with the help of simple examples.

A) How do environmental conditions influence gene expression in prokaryotes? Provide examples. Read More »

Explain chromatin remodeling and its role in gene expression in eukaryotes.

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Introduction In eukaryotic cells, DNA is not free-floating but is tightly packed into a structure called chromatin. For genes to be expressed, the DNA must be accessible to the cell’s machinery. This is where chromatin remodeling comes into play. In this answer, we’ll explain what chromatin remodeling is and how it influences gene expression in

Explain chromatin remodeling and its role in gene expression in eukaryotes. Read More »

A) Define transcription and explain its significance in molecular biology. B) Differentiate between transcription and DNA replication in terms of enzymes and processes involved.

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Introduction Transcription and DNA replication are two fundamental processes in molecular biology. They are essential for the survival and proper functioning of all living organisms. In this answer, we will first define transcription and explore its importance. Then, we will compare transcription with DNA replication in terms of the enzymes involved and the processes they

A) Define transcription and explain its significance in molecular biology. B) Differentiate between transcription and DNA replication in terms of enzymes and processes involved. Read More »

What is RNA editing?

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Introduction RNA editing is a post-transcriptional process that alters the nucleotide sequence of RNA after it has been transcribed from DNA but before it is translated into protein. This means that the final RNA sequence may differ from the original DNA template. RNA editing helps cells create protein diversity and regulate gene expression. Definition of

What is RNA editing? Read More »

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