Table of contents

1. Overview of Cell Biology2h 49m
2. Chemical Components of Cells1h 14m
3. Energy1h 33m
4. DNA, Chromosomes, and Genomes2h 31m
5. DNA to RNA to Protein2h 31m
6. Proteins1h 36m
7. Gene Expression1h 42m
8. Membrane Structure1h 4m
- The Lipid Bilayer
  38m
- Membrane Proteins
  25m
9. Transport Across Membranes1h 52m
10. Anerobic Respiration1h 5m
11. Aerobic Respiration1h 11m
12. Photosynthesis52m
13. Intracellular Protein Transport2h 18m
14. Cell Signaling1h 28m
15. Cytoskeleton and Cell Movement1h 39m
16. Cell Division3h 5m
17. Meiosis and Sexual Reproduction50m
18. Cell Junctions and Tissues48m
19. Stem Cells13m
- Stem Cells
  13m
20. Cancer44m
21. The Immune System1h 6m
22. Techniques in Cell Biology1h 41m

8. Membrane Structure

Membrane Proteins

Cell Biology

8. Membrane Structure

Membrane Proteins

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Multiple Choice

What is the name of the collection of membrane bound and transmembrane proteins that are interconnected on the cytoplasmic surface of the plasma membrane?

Proteoglycans

Glycocalyx

Cell Cortex

Actin groupings

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Verified step by step guidance

Understand the context: The question is asking about a structure associated with the cytoplasmic surface of the plasma membrane.

Identify key terms: 'membrane bound', 'transmembrane proteins', and 'cytoplasmic surface'. These terms suggest a structure that provides support and organization to the plasma membrane.

Recall relevant cell biology concepts: The cell cortex is a network of proteins, including actin filaments, that lies just beneath the plasma membrane and is involved in maintaining cell shape and facilitating cellular movements.

Differentiate from other options: Proteoglycans and glycocalyx are associated with the extracellular matrix and cell surface, not specifically the cytoplasmic surface. Actin groupings refer to actin filaments but do not specify the interconnected network on the cytoplasmic side.

Conclude with the correct term: The cell cortex is the correct term for the collection of proteins on the cytoplasmic surface of the plasma membrane, providing structural support and facilitating cellular functions.