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

1. Overview of Cell Biology

Overview of Tissue Structures

Cell Biology

1. Overview of Cell Biology

Overview of Tissue Structures

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Multiple Choice

Which cellular structure provides support for the cell and consists of two subparts?

Nucleus

Cytoskeleton

Mitochondrion

Plasma membrane

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Verified step by step guidance

Understand the question: The problem asks for a cellular structure that provides support for the cell and consists of two subparts. This means we are looking for a structural component of the cell that has distinct subunits or parts.

Review the options provided: The options are Nucleus, Cytoskeleton, Mitochondrion, and Plasma membrane. Analyze each option to determine if it fits the description of providing support and having two subparts.

Analyze the Cytoskeleton: The cytoskeleton is a network of protein fibers that provides structural support to the cell. It consists of three main components: microfilaments, intermediate filaments, and microtubules. These can be grouped into two subparts based on their functions: (1) structural support and (2) intracellular transport.

Eliminate incorrect options: The Nucleus is primarily involved in storing genetic material and regulating cellular activities, not providing structural support. The Mitochondrion is the powerhouse of the cell, responsible for energy production, and the Plasma membrane is a lipid bilayer that controls the movement of substances in and out of the cell, not providing structural support.

Conclude: Based on the analysis, the Cytoskeleton is the correct answer as it provides support for the cell and consists of distinct subparts (microfilaments, intermediate filaments, and microtubules).