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Dec 30, 2022 · A living cell needs all these things: the genetic information, the mechanisms and machinery to use the information to build cell parts, and the ability to harness energy to do so.
- Basic Cell Chemistry
Because of this, long carbon chains can form the backbone of...
- Preface
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- Basic Cell Chemistry
- Overview
- Key points:
Review your understanding of cell parts and functions in this free article aligned to NGSS standards.
•All cells have a cell membrane that separates the inside and the outside of the cell, and controls what goes in and comes out. The cell membrane surrounds a cell’s cytoplasm, which is a jelly-like substance containing the cell’s parts.
•Cells contain parts called organelles. Each organelle carries out a specific function in the cell. A cell’s organelles work alone and together to keep the whole cell functioning.
•Mitochondria are organelles that break down sugars. This process releases energy that the cell can use.
•The nucleus is an organelle that contains a cell’s genes.
•Chloroplasts are organelles that carry out photosynthesis, which makes the food plant cells need to live. This food is in the form of sugars.
•Plant cells have chloroplasts and a cell wall, but animal cells do not. The plant cell wall is outside the cell membrane, and it provides structure for the cell.
Mar 31, 2021 · Last Updated: March 31, 2021. All cells contain specialized, subcellular structures that are adapted to keep the cell alive. Some of these structures release energy, while others produce proteins, transport substances, and control cellular activities. Collectively, these structures are called organelles.
- Kate Latham
Apr 1, 2021 · Buried in the cytoplasm are hundreds or thousands of subcellular structures called organelles. The fluid inside cells is known as the intracellular fluid (ICF), while the environment outside of the cell is referred to as the extracellular fluid (ECF).
- Kate Latham
Aug 14, 2020 · However, all cells have three main parts, the plasma membrane, the cytoplasm and the nucleus. The plasma membrane (often called the cell membrane) is a thin flexible barrier that separates the inside of the cell from the environment outside the cell and regulates what can pass in and out of the cell.
2 days ago · A cell is enclosed by a plasma membrane, which forms a selective barrier that allows nutrients to enter and waste products to leave. The interior of the cell is organized into many specialized compartments, or organelles, each surrounded by a separate membrane.
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Describe the structure and the functions of the major components of a cell. Describe the structure (be able to identify them in a diagram) and describe the functions of the following cytoplasmic components: The cell membrane (plasma membrane) Endoplasmic reticulum. Ribosomes.
