Login

Molecular Biology: Help & Review

  • Course type: Self-paced
  • Available Lessons: 58
  • Average Lesson Length: 8 min
  • Eligible for Certificate: Yes

    Certificates show that you have completed the course. They do not provide credit.

  • Watch a preview:

    The Atom
    chapter 1 / lesson 1
    The Atom

Course Summary

This Molecular Biology Help and Review course is the simplest way to master molecular biology. By using these short video lessons and interactive quizzes, you can prepare yourself for class, review material you've already learned or study for an exam.
Create An Account
To Start This Course Today
Used by over 10 million students worldwide
Create An Account
Try it free for 5 days

5 chapters in Molecular Biology: Help & Review

Ch 1. Molecular Biology Basics {{cp.topicAssetIdToProgress[40558].percentComplete}}% complete
Course Progress Best Score
Lesson 1 - The Atom Score: {{cp.lessonAssetIdToProgress[277].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[277].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - The Electron Shell Score: {{cp.lessonAssetIdToProgress[278].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[278].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Chemical Bonds I: Covalent Score: {{cp.lessonAssetIdToProgress[279].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[279].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Chemical Bonds II: Ionic Score: {{cp.lessonAssetIdToProgress[280].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[280].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Chemical Bonds III: Polar Covalent Score: {{cp.lessonAssetIdToProgress[453].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[453].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Chemical Bonds IV: Hydrogen Score: {{cp.lessonAssetIdToProgress[281].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[281].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Properties of Water Score: {{cp.lessonAssetIdToProgress[282].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[282].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Solutions, Solutes, and Solvents Score: {{cp.lessonAssetIdToProgress[454].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[454].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Osmosis, Diffusion and Saturation Score: {{cp.lessonAssetIdToProgress[1497].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[1497].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Acids and Bases Score: {{cp.lessonAssetIdToProgress[283].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[283].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - The Laws of Thermodynamics Score: {{cp.lessonAssetIdToProgress[284].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[284].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - Redox (Oxidation-Reduction) Reactions: Definitions and Examples Score: {{cp.lessonAssetIdToProgress[2881].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2881].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - Basic Properties of Chemical Reactions Score: {{cp.lessonAssetIdToProgress[285].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[285].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - Weak Acids, Weak Bases, and Buffers Score: {{cp.lessonAssetIdToProgress[689].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[689].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Nucleotides: Structure & Components Score: {{cp.lessonAssetIdToProgress[3469].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3469].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - DNA: Chemical Structure of Nucleic Acids & Phosphodiester Bonds Score: {{cp.lessonAssetIdToProgress[2179].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2179].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - DNA: Adenine, Guanine, Cytosine, Thymine & Complementary Base Pairing Score: {{cp.lessonAssetIdToProgress[2180].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2180].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - DNA: Double Helix Structure and Hereditary Molecule Score: {{cp.lessonAssetIdToProgress[2181].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2181].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Differences Between RNA and DNA & Types of RNA (mRNA, tRNA & rRNA) Score: {{cp.lessonAssetIdToProgress[2182].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2182].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - What Is DNA Replication? - Conservative, Semi-Conservative & Dispersive Models Score: {{cp.lessonAssetIdToProgress[2560].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2560].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - How Helicase Unwinds the DNA Double Helix in Preparation for Replication Score: {{cp.lessonAssetIdToProgress[2561].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2561].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - How DNA Polymerase and RNA Primase Initiate DNA Replication Score: {{cp.lessonAssetIdToProgress[2562].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2562].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - DNA Replication: The Leading Strand and DNA Polymerase Activities Score: {{cp.lessonAssetIdToProgress[2563].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2563].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - DNA Replication: Review of Enzymes, Replication Bubbles & Leading and Lagging Strands Score: {{cp.lessonAssetIdToProgress[2972].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2972].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - What is Annealing? - Definition, Biology & Process Score: {{cp.lessonAssetIdToProgress[155839].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[155839].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - Protein Synthesis in the Cell and the Central Dogma Score: {{cp.lessonAssetIdToProgress[2564].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2564].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Transcription of Messenger RNA (mRNA) from DNA Score: {{cp.lessonAssetIdToProgress[2565].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2565].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Regulation of Gene Expression: Transcriptional Repression and Induction Score: {{cp.lessonAssetIdToProgress[2566].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2566].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - How An Operon Controls Transcription in a Prokaryotic Cell Score: {{cp.lessonAssetIdToProgress[2567].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2567].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - RNA Processing in a Eukaryotic Cell: Splicing of Introns & Exons Score: {{cp.lessonAssetIdToProgress[2568].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2568].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - What Is the Genetic Code That Translates RNA Into Amino Acids? Score: {{cp.lessonAssetIdToProgress[2569].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2569].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Making Sense of the Genetic Code: Codon Recognition Score: {{cp.lessonAssetIdToProgress[3146].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3146].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Codon Recognition: How tRNA and Anticodons Interpret the Genetic Code Score: {{cp.lessonAssetIdToProgress[2570].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2570].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - The Role of Ribosomes and Peptide Bonds in Genetic Translation Score: {{cp.lessonAssetIdToProgress[3147].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3147].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Translation of mRNA to Protein: Initiation, Elongation & Termination Steps Score: {{cp.lessonAssetIdToProgress[2571].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2571].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - How Point Mutations, Insertions, and Deletions Affect DNA Score: {{cp.lessonAssetIdToProgress[2572].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2572].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - Effects of Mutations on Protein Function: Missense, Nonsense, and Silent Mutations Score: {{cp.lessonAssetIdToProgress[2574].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[2574].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Effects of Frameshift Mutations: Definitions and Examples Score: {{cp.lessonAssetIdToProgress[3148].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3148].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - Mutagens: How the Environment Affects Mutation Rates Score: {{cp.lessonAssetIdToProgress[3166].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3166].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - Causes of Mutation and DNA Damage- Mutagens Score: {{cp.lessonAssetIdToProgress[14304].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14304].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Causes of Mutation and DNA Damage- Irradiation Score: {{cp.lessonAssetIdToProgress[14305].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14305].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - DNA Mismatch Repair: Correcting Errors That Happen During DNA Replication Score: {{cp.lessonAssetIdToProgress[14900].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14900].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Reversing DNA Damage Caused by Mutagens and Irradiation Score: {{cp.lessonAssetIdToProgress[14306].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14306].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - DNA Repair: Fixing Double-Strand Breaks Score: {{cp.lessonAssetIdToProgress[14901].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[14901].bestScoreQuestions}}  Take Quiz Optional
Course Progress Best Score
Lesson 1 - What is Genetic Engineering? - Definition and Examples Score: {{cp.lessonAssetIdToProgress[3649].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3649].bestScoreQuestions}}  Take Quiz Optional
Lesson 2 - What is a DNA Plasmid? - Importance to Genetic Engineering Score: {{cp.lessonAssetIdToProgress[3650].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3650].bestScoreQuestions}}  Take Quiz Optional
Lesson 3 - Restriction Enzymes: Function and Definition Score: {{cp.lessonAssetIdToProgress[3651].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3651].bestScoreQuestions}}  Take Quiz Optional
Lesson 4 - How Ligase is Used to Engineer Recombinant DNA Score: {{cp.lessonAssetIdToProgress[3652].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3652].bestScoreQuestions}}  Take Quiz Optional
Lesson 5 - What is Agarose Gel Electrophoresis? Score: {{cp.lessonAssetIdToProgress[3654].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3654].bestScoreQuestions}}  Take Quiz Optional
Lesson 6 - Ethidium Bromide, Loading Buffer & DNA Ladder: Visualizing DNA and Determining its Size Score: {{cp.lessonAssetIdToProgress[3653].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3653].bestScoreQuestions}}  Take Quiz Optional
Lesson 7 - Agarose Gel Electrophoresis: Equipment & Procedure Score: {{cp.lessonAssetIdToProgress[5956].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[5956].bestScoreQuestions}}  Take Quiz Optional
Lesson 8 - Agarose Gel Electrophoresis: Results Analysis Score: {{cp.lessonAssetIdToProgress[3655].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3655].bestScoreQuestions}}  Take Quiz Optional
Lesson 9 - Bacterial Transformation: Definition, Process and Genetic Engineering of E. coli Score: {{cp.lessonAssetIdToProgress[3656].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3656].bestScoreQuestions}}  Take Quiz Optional
Lesson 10 - Bacterial Transformation: Antibiotic Selection and Positive & Negative Controls Score: {{cp.lessonAssetIdToProgress[3657].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3657].bestScoreQuestions}}  Take Quiz Optional
Lesson 11 - PCR: Reagents Used in Polymerase Chain Reaction Score: {{cp.lessonAssetIdToProgress[3202].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3202].bestScoreQuestions}}  Take Quiz Optional
Lesson 12 - PCR: Steps Involved in Polymerase Chain Reaction Score: {{cp.lessonAssetIdToProgress[3135].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3135].bestScoreQuestions}}  Take Quiz Optional
Lesson 13 - The Sanger Method of DNA Sequencing Score: {{cp.lessonAssetIdToProgress[3658].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[3658].bestScoreQuestions}}  Take Quiz Optional
Lesson 14 - Chromatography in Forensic Science Score: {{cp.lessonAssetIdToProgress[184695].bestScoreCorrect}}/{{cp.lessonAssetIdToProgress[184695].bestScoreQuestions}}  Take Quiz Optional

Earning College Credit

Did you know… We have over 79 college courses that prepare you to earn credit by exam that is accepted by over 2,000 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? Study.com has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.

Support