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Chapter Summary

Basic Processes

CBSE · Class 11 · Biotechnology

Summary of Basic Processes for CBSE Class 11 Biotechnology. Key concepts, important points, and chapter overview.

86 questions100 flashcards5 concepts

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Overview

Basic processes in biotechnology explain how DNA stores genetic information, how it is copied, how it is expressed into RNA and protein, how mutations arise, how cells repair DNA, and how gene expression is regulated. The chapter connects discovery of DNA as genetic material with replication, transc

Key Concepts

DNA determines the trait or feature

DNA determines the trait or feature of any organism except a few viruses. Miescher first isolated nuclein from pus cells, and later experiments by Gri

Prokaryotes have a single double

Prokaryotes have a single double-stranded circular DNA molecule in a nucleoid, and plasmids are not essential for normal growth. Eukaryotes have doubl

DNA replication is semiconservative

DNA replication is semiconservative, so each daughter DNA molecule has one old strand and one new strand. In bacteria, replication begins at oriC and

Transcription is the synthesis of RNA

Transcription is the synthesis of RNA on a DNA template. The coding strand has the same base sequence as mRNA except T is replaced by U, while the tem

The genetic code is triplet

The genetic code is triplet, unambiguous, degenerate, non-overlapping, and nearly universal. Out of 64 codons, 61 code for amino acids and 3 are stop

Learning Objectives

  • Understand why DNA is accepted as the genetic material.
  • Describe the organisation of genetic material in prokaryotes and eukaryotes.
  • Explain semiconservative DNA replication and the roles of the main enzymes.
  • Describe transcription, genetic code, translation, mutation, DNA repair, and gene regulation.
  • Explain the lac operon as an inducible operon in bacteria.

Frequently Asked Questions

What are the important topics in Basic Processes for CBSE Class 11 Biotechnology?
Key topics in Basic Processes include Chapter Overview: Basic Processes, Basic Processes - Complete Chapter Concept Map, Correct vs Incorrect: Strand Terminology in Transcription. These are the concepts CBSE Class 11 examiners draw on most — study them first, then practise related questions.
How to score full marks in Basic Processes — CBSE Class 11 Biotechnology?
Understand the core concepts first, then work through the 86 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Basic Processes

All 12 chapters — CBSE Class 11 Biotechnology Chapter Summary

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