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1. Overview of Cell Biology(0)

Evolution of the Cell
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Properties of the Cell
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History of Cell Biology
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Prokaryotic Cell Architecture
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Eukaryotic Cell Architecture
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Prokaryotes vs. Eukaryotes
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Model Organisms
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Viruses
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Overview of Tissue Structures
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2. Chemical Components of Cells(0)

Small Molecules
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Chemical Bonds
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Acids, Bases, and Buffers
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Four Classes of Macromolecules
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Properties of Macromolecules
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3. Energy(0)

Energy Sources and Generation
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Gibbs Free Energy and Equilibrium
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Activated Carriers
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Enzymes
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Enzyme Kinetics
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Enzyme Inhibitors
(0)

4. DNA, Chromosomes, and Genomes(0)

DNA Discovery
(0)

Structure and Function of DNA
(0)

Helical Formations of DNA
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DNA vs. RNA
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Packaging of DNA
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The Epigenetic Code
(0)

Evolution of the Genome
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Genomic Comparison
(0)

Human Genetic Variation
(0)

Transposons and Viruses
(0)

5. DNA to RNA to Protein(0)

DNA Transcription
(0)

mRNA Processing
(0)

tRNA, rRNA and the Codon Code
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Translation
(0)

mRNA Export and Nuclear Structures
(0)

RNA and the Origins of Life
(0)

6. Proteins(0)

Protein Basics
(0)

Protein Folding
(0)

Complex Protein Structures
(0)

Enzymes and Protein Binding
(0)

Protein Regulation
(0)

Protein Degradation
(0)

7. Gene Expression(0)

Basics of Gene Expression Control
(0)

Epigenetic Regulation of Gene Expression
(0)

Transcriptional Regulators
(0)

Action of Transcriptional Regulators
(0)

Post-Transcriptional Regulators
(0)

8. Membrane Structure(0)

The Lipid Bilayer
(0)

Membrane Proteins
(0)

9. Transport Across Membranes(0)

Principles of Transmembrane Transport
(0)

Passive Transport: Diffusion and Osmosis
(0)

Transporters
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Ion Channels and Membrane Potential
(0)

Ion Channels and Neurons
(0)

10. Anerobic Respiration(0)

Breakdown and Utilization of Sugars and Fats
(0)

Glycolysis
(0)

Fermentation
(0)

Gluconeogenesis
(0)

11. Aerobic Respiration(0)

Overview of Cellular Respiration
(0)

Mitochondria
(0)

Citric Acid Cycle
(0)

Electron Transport
(0)

ATP Synthesis Driven from Proton Gradients
(0)

12. Photosynthesis(0)

Overview of Photosynthesis
(0)

Chloroplast
(0)

Light Dependent Reactions
(0)

Light Independent Reactions
(0)

13. Intracellular Protein Transport(0)

Membrane Enclosed Organelles
(0)

Protein Sorting
(0)

ER Processing and Transport
(0)

Golgi Processing and Transport
(0)

Vesicular Budding, Transport, and Coat Proteins
(0)

Targeting Proteins to the Mitochondria and Chloroplast
(0)

Lysosomal and Degradation Pathways
(0)

Endocytic Pathways
(0)

Exocytosis
(0)

Peroxisomes
(0)

Plant Vacuole
(0)

14. Cell Signaling(0)

Overview of Cell Surface Receptors
(0)

Overview of Signaling Molecules
(0)

G Protein Coupled Receptors
(0)

Protein Kinase Receptors
(0)

Intracellular messnegers: Hormones and Nitric Oxide
(0)

Phosphoinositide Signaling Pathways
(0)

Integration of Multiple Signaling Pathways
(0)

Signaling in Plants
(0)

15. Cytoskeleton and Cell Movement(0)

Overview of the Cytoskeleton
(0)

Intermediate Filaments
(0)

Microtubules
(0)

Kinesins and Dyneins
(0)

Cilia and Flagella
(0)

Microtubules and Cell Division
(0)

Actin Filaments
(0)

Actin Based Movement
(0)

Muscle Contractions
(0)

16. Cell Division(0)

Overview of the Cell Cycle
(0)

Control of the Cell Cycle
(0)

G1 Phase
(0)

DNA Replication
(0)

DNA Repair and Recombination
(0)

Mitosis
(0)

Cytokinesis
(0)

Control of Cell Size
(0)

Control of Cell Death
(0)

17. Meiosis and Sexual Reproduction(0)

Basics of Meiotic Genetics
(0)

Mendel and the Laws of Inheritance
(0)

Meiosis
(0)

18. Cell Junctions and Tissues(0)

Cell-Cell Adhesion
(0)

Cell-Cell Junctions
(0)

Extracellular Matrix of Animal Cells
(0)

The Basal Lamina
(0)

Plant Tissue
(0)

19. Stem Cells(0)

Stem Cells
(0)

20. Cancer(0)

Overview of Cancer
(0)

Oncogenes and Tumor Suppressors
(0)

Carcinogens
(0)

Tumor Viruses
(0)

Metastasis and Cancer Spread
(0)

Cancer Treatment
(0)

21. The Immune System(0)

Overview of Host Defenses
(0)

The Innate Immune Response
(0)

B Cell Development
(0)

Antibody Structure and Diversity
(0)

T Cells
(0)

MHC and Antigen Presentation
(0)

Immune System Collaboration
(0)

22. Techniques in Cell Biology(0)

The Light Microscope
(0)

Electron Microscopy
(0)

The Use of Radioisotopes
(0)

Cell Culture
(0)

Isolation and Purification of Proteins
(0)

Studying Proteins
(0)

Nucleic Acid Hybridization
(0)

DNA Cloning
(0)

Polymerase Chain Reaction - PCR
(0)

DNA Sequencing
(0)

DNA libraries
(0)

DNA Transfer into Cells
(0)

Tracking Protein Movement
(0)

RNA interference
(0)

Genetic Screens
(0)

Bioinformatics
(0)

8. Membrane Structure

Membrane Proteins

8. Membrane Structure

Membrane Proteins: Videos & Practice Problems

Video Lessons Practice Worksheet

Membrane Proteins Practice Problems

20 problems

Problem 1Multiple Choice

Which type of membrane protein is characterized by a strong covalent bond to lipids?

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Problem 2Multiple Choice

Why are alpha helices commonly found in transmembrane proteins?

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Problem 3Multiple Choice

A researcher finds that a transmembrane protein has different glycosylation patterns on its extracellular and cytosolic sides. What does this suggest about the protein's function?

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Problem 4Multiple Choice

Which type of diffusion would be most affected if a membrane protein is anchored to the cytoskeleton?

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Problem 5Multiple Choice

In epithelial cells, what is the primary function of the apical surface?

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Problem 6Multiple Choice

What is the glycocalyx primarily composed of?

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Problem 7Multiple Choice

Why is x-ray crystallography challenging for studying membrane proteins?

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Problem 8Multiple Choice

How does glycosylation of membrane proteins contribute to cell protection?

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Problem 9Multiple Choice

A cell needs to increase its membrane curvature to form a vesicle. Which type of protein insertion would facilitate this process?

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Problem 10Multiple Choice

Which technique would be most suitable for studying the fluidity of membrane proteins?

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Problem 11Multiple Choice

Which type of membrane protein is directly bound to the lipid bilayer but does not necessarily span it?

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Problem 12Multiple Choice

What is the primary function of beta barrels in transmembrane proteins?

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Problem 13Multiple Choice

A mutation causes a transmembrane protein to lose its asymmetry. What potential effect could this have on the cell?

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Problem 14Multiple Choice

Which type of diffusion is least likely to occur for a large, multi-pass transmembrane protein?

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Problem 15Multiple Choice

What is the role of the basolateral surface in epithelial cells?

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Problem 16Multiple Choice

What is the primary function of the cell cortex?

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Problem 17Multiple Choice

What is the primary purpose of using detergents in membrane protein studies?

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Problem 18Multiple Choice

A cell is unable to glycosylate its membrane proteins. What impact might this have on cell communication?

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Problem 19Multiple Choice

How might a cell increase its membrane curvature to facilitate endocytosis?

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Problem 20Multiple Choice

Which experimental technique would be most effective for observing the movement of membrane proteins in real-time?

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The Lipid Bilayer Practice Problems Principles of Transmembrane Transport Practice Problems

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