About This Chapter
Cell Structure & Processes - Chapter Summary
In this chapter, you will learn about the functions and parts of a cell. The cell parts are broken into different lessons to focus on the processes of each, then how they all work together to perform the cell's functions. You will be introduced to concepts of reproduction and transportation of cells, as well as its growth. By the end of this chapter, you should be able to identify and discuss:
- The structure, function, and cycle of a cell
- Cell membranes and membrane proteins
- The Fluid Mosaic Model
- Active transport in cells
- Endocytosis and exocytosis
- Asexual and sexual reproduction
- Phases and factors in the growth of a cell
The lessons in this chapter are broken down into focused topics to help make the learning process quick and easy. You can use the interactive self-assessment quiz to gauge your level of understanding, then easily revisit topics that may require further review. This chapter can be used as a supplemental study guide for tests or to help raise your grades in science classwork.
1. The Cell: Structure & Function
The cell is a small, but complex structure. Take a look inside the outer plasma membrane of a cell and discover the functions of some common cellular components, including the nucleus, endoplasmic reticulum, Golgi apparatus and mitochondria, in this lesson.
2. Cell Membrane: Functions, Role & Structure
You are made up of trillions and trillions of cells, and each one is separated from its surroundings by a cell membrane. Learn about the structure and functions of the cell membrane in this lesson.
3. The Fluid Mosaic Model of the Cell Membrane
In this lesson, we will discuss the components of the cell membrane and why the fluid mosaic model paints the best picture of its structure. We'll learn about the roles of the phospholipid bilayer, cholesterol, proteins and carbohydrates.
4. Membrane Proteins: Functions, Types & Structure
All membrane proteins have one thing in common, which is that they are all associated with a membrane. As a group, however, they are structurally and functionally highly diverse. In this lesson, we will explore the different types of membrane proteins, how they function, and their structure.
5. Passive Transport in Cells: Simple and Facilitated Diffusion & Osmosis
A cell membrane is selectively permeable - not permeable to everything. In this lesson, we'll talk about methods of passive transport along a concentration gradient, including simple and facilitated diffusion and osmosis.
6. Active Transport in Cells: Definition & Examples
In this lesson, we'll learn how substances are transported across the cell membrane against the concentration gradient. This might seem like an uphill battle for the cell, but all it takes is a little chemical energy and a few integral membrane proteins to kick off some active transport!
7. Endocytosis and Exocytosis Across the Cell Membrane
In this lesson, we'll discover how some cells can eat, drink, and digest their dinner through the process of endocytosis and a structure called the lysosome. In addition, we'll learn how a cell can throw out the leftovers across the cell membrane during exocytosis.
8. The Cell Cycle: Definition, Phases & Sequence
Learn about the dividing and non-dividing states of the cell and discover the different phases of the cell cycle, including interphase, cytokinesis, and the stages of cell division.
9. Asexual vs. Sexual Reproduction: Comparison & Characteristics
Did you know that some organisms can reproduce without a mate? Check out this video lesson on asexual versus sexual reproduction to discover the different ways organisms can reproduce and the main differences between mitosis and meiosis.
10. Cell Growth: Phases & Factors
This lesson provides an overview of cell growth and division. It includes descriptions of how major cell types divide, why cell growth and division are important, and images to guide your understanding. The lesson is followed by a short quiz.
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Other chapters within the TCAP HS EOC - Biology I: Test Prep & Practice course
- Scientific Inquiry, Technology & Engineering
- Cell Organelles
- Organic Biochemistry
- Structure & Replication of DNA
- Genetics & Heredity
- Gene Technology
- Ecology, Organism Populations & the Environment
- Humans and the Environment
- Flow of Matter & Energy
- Intro to Biodiversity & Change
- TCAP HS EOC - Biology I Flashcards