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Ch 33: TExES Science 7-12: Transcription & Translation

About This Chapter

Let us help you review transcription and translation topics to get ready for the TExES Science 7-12 exam. In this chapter, you will find helpful resources that make learning about science topics actually fun.

TExES Science 7-12: Transcription & Translation - Chapter Summary

Make the preparation process for the TExES Science 7-12 exam go smoothly by looking at these video lessons, which can help you review mRNA and protein synthesis. After finishing this chapter, you will be able to answer questions about:

  • The regulation of gene expression
  • Operon-controlling transcription in prokaryotic cells
  • RNA processing and the splicing of exons and the genetic code
  • Role of ribosomes and peptide bonds
  • The translation of mRNA: elongation and initiation

The video lessons focus on genetics-related material, which you will see on the exam. Progressing through these lessons isn't hard thanks to their short format. When you are finished, see what information you retained by using the quizzes. You also have access to transcripts, which are useful because they allow you to review key terms and principles.

8 Lessons in Chapter 33: TExES Science 7-12: Transcription & Translation
Test your knowledge with a 30-question chapter practice test
Protein Synthesis in the Cell and the Central Dogma

1. Protein Synthesis in the Cell and the Central Dogma

Learn the story of the central dogma and how it relates to protein synthesis. We'll use a simple analogy to explore the roles of transcription and translation in building protein from the DNA code. In this lesson, we'll also introduce the concept of a gene.

Transcription of Messenger RNA (mRNA) from DNA

2. Transcription of Messenger RNA (mRNA) from DNA

In this lesson, you will gain a thorough understanding of how transcription works. We will investigate how DNA is transcribed into RNA with the help of a promoter and RNA polymerase. Learn the purpose of messenger RNA and explore the three phases of transcription.

Regulation of Gene Expression: Transcriptional Repression and Induction

3. Regulation of Gene Expression: Transcriptional Repression and Induction

Do our genes work the same way all the time? How do we regulate the expression of our genes? Explore the various ways organisms control gene transcription through repression and induction of operons.

How An Operon Controls Transcription in a Prokaryotic Cell

4. How An Operon Controls Transcription in a Prokaryotic Cell

Is gene regulation really as simple as flipping a switch? What are the parts of an operon, and how do they function to control gene transcription? We'll study the lac operon to answer these questions.

RNA Processing in a Eukaryotic Cell: Splicing of Introns & Exons

5. RNA Processing in a Eukaryotic Cell: Splicing of Introns & Exons

In this lesson, we'll explore the unique considerations for gene regulation in the eukaryotic cell. We'll walk through RNA splicing of introns and exons and the addition of the 5' cap and poly(A) tail.

What Is the Genetic Code That Translates RNA Into Amino Acids?

6. What Is the Genetic Code That Translates RNA Into Amino Acids?

How is RNA translated into a series of amino acids? Learn the language of the genetic code, explore a codon dictionary, and discover some basics of genetics in this lesson on translation.

The Role of Ribosomes and Peptide Bonds in Genetic Translation

7. The Role of Ribosomes and Peptide Bonds in Genetic Translation

Ribosomes play a major role in the process of genetic translation. In this lesson, learn about the structure of ribosomes and how peptide bonds help to create chains of amino acids.

Translation of mRNA to Protein: Initiation, Elongation & Termination Steps

8. Translation of mRNA to Protein: Initiation, Elongation & Termination Steps

Translation, the second part of the central dogma of molecular biology, describes how the genetic code is used to make amino acid chains. In this lesson, explore the mechanics involved in polypeptide synthesis. Learn the three major steps of translation as you watch tRNA, mRNA, and ribosomes go to work.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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