Cellular and Molecular Biology

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Introduction to the Cell

The cell is the basic unit of all known living organisms. Review basic concepts ranging from cell classification to cellular metabolism in this theme. Also review characteristics of viruses that separate them from living organisms but enable them to interact with living organisms.

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Properties and Classification of Cells

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Viruses

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Chemical Components of the CellFree

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Biological Macromolecules

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Catalysis and Cell Energy

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Cellular Metabolism

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Properties and Functions of Proteins

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Genetic Control of the Cell

What genetic material determines how cells develop and behave? How is genetic material translated in prokaryotes and eukaryotes? Explore genetic structures and expression in this theme.

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Your status is based on your weighted accuracy which accounts for the difficulty of the questions.

Your weighted accuracy is based on your most recent attempts compared to everyone else’s first attempts.

Re-answering questions correctly will improve your weighted average status.

Structure and Function of DNA

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DNA Replication

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Structure and Function of Chromosomes

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Structure and Stability of the Genome

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Sequencing Genomes

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Transcription

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Translation

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Control of Gene Expression in Bacteria

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Control of Gene Expression in Eukaryotes

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Transcriptional and Translational Control in Eukaryotes

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DNA Mutations and Repair

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Laboratory Techniques for Studying Cells

Scientists use different tools and techniques to study cells and cellular structures and molecules. This theme covers the myriad of these different methods with emphasis on methodologies to use for specific cellular questions.

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Your status is based on your weighted accuracy which accounts for the difficulty of the questions.

Your weighted accuracy is based on your most recent attempts compared to everyone else’s first attempts.

Re-answering questions correctly will improve your weighted average status.

Light Microscope

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Electron Microscopy

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Radioisotopes

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Cell Culture, Centrifugation

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Isolation, Purification, and Fractionation of Proteins

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DNA Lab Techniques

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Extraction of Nucleic Acids

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Nucleic Acid Hybridization

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Southern Blots

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Northern Blots

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Western Blots

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Chemical Synthesis of DNA and Recombinant DNA Technology

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Polymerase Chain Reaction (PCR)

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DNA Sequencing, Libraries, Transfer into Cells and Embryos

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Analysis of Eukaryotic Gene Function

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Antibody Probes

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Histology

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Internal Eukaryotic Cell Organization

How do different eukaryotes convert and utilize energy? What types of cellular organelles do eukaryotes have, and how do these structures contribute to the survival of the cell? Dive deeper into the world of eukaryotes with this theme's questions.

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Your status is based on your weighted accuracy which accounts for the difficulty of the questions.

Your weighted accuracy is based on your most recent attempts compared to everyone else’s first attempts.

Re-answering questions correctly will improve your weighted average status.

Membrane Structure, Properties, and Transport

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Intracellular Compartments and Organelles

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Intracellular Vesicular Traffic

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Energy Conversion

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Cytoskeleton and Motility

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Ctyoplasmic Membrane Systems

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Cells and Their Environments

Cells consistently interact with their environment in different ways. This theme covers cellular structures used to interact with a cell's environment and how internal and external cell environments impact the development of multicellular organisms.

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Your status is based on your weighted accuracy which accounts for the difficulty of the questions.

Your weighted accuracy is based on your most recent attempts compared to everyone else’s first attempts.

Re-answering questions correctly will improve your weighted average status.

General Features of Tissue Organization

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Extracellular Materials, Cell Interactions

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Cell-Cell Interactions

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Tight Junctions

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Gap Junctions

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Cell Adhesion

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Germ Cells and Fertilization

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Development of Multicellular Organisms

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Cell Signaling and Signal Transduction

How do cells transmit intracellular and intercellular signals? Explore the different mechanisms that cells use to communicate with one another as well as how cells transmit signals internally.

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Your status is based on your weighted accuracy which accounts for the difficulty of the questions.

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Elements of Cell Signaling

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Communication Between Cells: Hormones, Extracellular Messengers and Receptors

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G Protein-Coupled Receptors and Second Messengers

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Protein-Tyrosine Phosphorylation

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Calcium as an Intracellular Messenger

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Nitric Oxide (NO) as an Intercellular Messenger

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Signaling Pathway Interactions

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Cellular Reproduction in Eukaryotic Cells

Learn about the different stages of eukaryotic cellular reproduction in this theme. Test your knowledge about the stages of the cell cycle. Explore how meiosis enables sexual reproduction while mitosis enables asexual reproduction or organismic growth.

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Accuracy is based on your most recent attempt.

Status

Your status is based on your weighted accuracy which accounts for the difficulty of the questions.

Your weighted accuracy is based on your most recent attempts compared to everyone else’s first attempts.

Re-answering questions correctly will improve your weighted average status.

Cell Cycle

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Mitosis and Cytokinesis

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Meiosis

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Apoptosis

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Cancer

What is cancer and why is it such a detrimental condition? How is cancer studied and what treatments are available? Explore how the internal and external environment of a cell can either facilitate or derail controlled cell division or lead to uncontrolled cell division. Test your knowledge about mechanisms that derailment of cell division leading to cancer.

CompletionAccuracy

Accuracy is based on your most recent attempt.

Status

Your status is based on your weighted accuracy which accounts for the difficulty of the questions.

Your weighted accuracy is based on your most recent attempts compared to everyone else’s first attempts.

Re-answering questions correctly will improve your weighted average status.

Cancer Cell Properties and Behavior

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Cancer Causes

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Cancer as a Microevolutionary Process

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Research Methods Used to Study Cancer Cells

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Cancer Treatment

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Immune Response

All organisms have defense mechanisms against unwelcome intruders. Learn about immune system development, types of immunity, and cellular structures involved in immunity in this theme. Test your knowledge about the different defense mechanisms used by bacteria all the way to humans. Take a tour of infectious diseases and how our bodies send out armies of antibodies and other molecules to fight infection.

CompletionAccuracy

Accuracy is based on your most recent attempt.

Status

Your status is based on your weighted accuracy which accounts for the difficulty of the questions.

Your weighted accuracy is based on your most recent attempts compared to everyone else’s first attempts.

Re-answering questions correctly will improve your weighted average status.

General Principles of Immune System Development

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Pathogens, Infections, and Host Responses

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Innate Immunity

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Acquired Immunity

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Lymphocytes and the Cellular Basis of Adaptive Immunity

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B Cells and Antibodies

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Antibody Diversity

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T Cells and MHC Proteins

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Helper T Cells and Lymphocyte Activation

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Introduction to Pathogens

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Cell Biology of Infection

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Vaccinations

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AIDS

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