Table of contents

1. Introduction to Genetics51m
2. Mendel's Laws of Inheritance3h 37m
3. Extensions to Mendelian Inheritance2h 41m
4. Genetic Mapping and Linkage2h 28m
5. Genetics of Bacteria and Viruses1h 21m
6. Chromosomal Variation1h 48m
7. DNA and Chromosome Structure56m
8. DNA Replication1h 10m
9. Mitosis and Meiosis1h 34m
10. Transcription1h 0m
11. Translation58m
12. Gene Regulation in Prokaryotes1h 19m
13. Gene Regulation in Eukaryotes44m
14. Genetic Control of Development44m
15. Genomes and Genomics1h 50m
16. Transposable Elements47m
17. Mutation, Repair, and Recombination1h 6m
18. Molecular Genetic Tools19m
- Genetic Cloning
  9m
- Methods for Analyzing DNA
  9m
19. Cancer Genetics29m
- Overview of Cancer
  21m
- Cancer Mutations
  7m
20. Quantitative Genetics1h 26m
21. Population Genetics50m
- Hardy Weinberg
  19m
- Allelic Frequency Changes
  31m
22. Evolutionary Genetics29m

16. Transposable Elements

Transposable Elements in Eukaryotes

Genetics

16. Transposable Elements

Transposable Elements in Eukaryotes

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Multiple Choice

Which of the following is true regarding reverse transcriptase?

It is required for transposition of DNA transposons

It synthesizes DNA from RNA

It is encoded within long-terminal repeats of retrotransposons

The provirus uses it to insert into the genome

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Verified step by step guidance

Understand the role of reverse transcriptase: Reverse transcriptase is an enzyme that synthesizes complementary DNA (cDNA) from an RNA template. This process is known as reverse transcription.

Identify the context in which reverse transcriptase operates: It is primarily associated with retroviruses and retrotransposons, where it converts their RNA genomes into DNA to integrate into the host genome.

Evaluate the options: Consider each statement in the context of reverse transcriptase's function. The statement 'It synthesizes DNA from RNA' directly describes the primary function of reverse transcriptase.

Clarify misconceptions: Reverse transcriptase is not involved in the transposition of DNA transposons, which typically do not require reverse transcription.

Connect to broader concepts: Recognize that reverse transcriptase is encoded by retrotransposons and is crucial for the integration of viral DNA into the host genome, but it is not encoded within long-terminal repeats themselves.