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Terms in this set (34) theory that states that all organisms are made of cells, all cells are produced by other living cells, and the cell is the most basic unit of life. jellylike substance inside cells that contains molecules and in some cells organelles. membrane-bound structure that is specialized to perform a distinct process within a cell.
4 days ago · vesicle. small, moving material within a cell. Cytoskeleton. consists of microtubules that help shape and support the cell. Microtubules. part of cytoskeleton and help support the cell. they are made of proteins. Cytosol. Fluid portion of cytoplasm mainly water but also contains floating molecules. cytoplasm.
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- Definition
- Overview
- Characteristics of A Eukaryotic Cell
- Eukaryotic Cell Cycle
- Examples of A Eukaryotic Cell
A eukaryotic cell contains membrane-bound organelles such as a nucleus, mitochondria, and an endoplasmic reticulum. Organisms based on the eukaryotic cell include protozoa, fungi, plants, and animals. These organisms are grouped into the biological domain Eukaryota. Eukaryotic cells are larger and more complex than prokaryotic cells found in domain...
A eukaryotic cell is one of two different types of cells. Organisms that are based on the eukaryotic cell are called “eukaryotes” and include plants, animals, fungi, and protists. The only organisms that are not based on the eukaryotic cell are organisms based on a prokaryotic cell structure. Those organisms are found in the domains Archaea and Bac...
Eukaryotic cells contain a variety of organelles, which perform various functions within the cell (described in detail, below). All of the organelles are stabilized and given physical support through the cytoskeleton, which is also involved in sending signals from one part of the cell to the other. In eukaryotic cells, the cytoskeleton is composed ...
The cell cycle is the life cycle of a cell. During this cycle, it grows and divides. Checkpoints exist between all stages so that proteins can determine whether the cell is ready to begin the next phase of the cycle.
Plant Cells
Plant cells are unique among eukaryotic cells for several reasons. They have reinforced, relatively thick cell walls made of cellulose that help maintain structural support in the plant. Each plant cell has a large vacuole in the center that allows it to maintain turgor pressure. Turgor pressure results from the water in a central vacuole pushing outward on the cell walls. Plant cells also contain organelles called chloroplasts which contain the molecule chlorophyll. This important molecule i...
Fungal Cells
Like plant cells, fungal cells also have a cell wall, but their cell wall is made of chitin (the same substance found in insect exoskeletons). Some fungi have septa, which are holes that allow organelles and cytoplasm to pass between them. This makes the boundaries between different cells less clear. Most fungi live underground or in decaying organic matter, where the mycelial networkcan contain millions of interconnected cells.
Animal Cells
Animal cells do not have cell walls. Instead, they have only a plasma membrane. The lack of a cell wall allows animal cells to form many different shapes. This allows for the processes of phagocytosis (“cell eating”) and pinocytosis(“cell drinking”) to occur. Animal cells differ from plant cells in that they do not have chloroplasts and have many smaller vacuoles instead of a large central vacuole.
- Gabe Buckley
Apr 27, 2017 · Cytosol Definition. Cytosol is the liquid found inside of cells. It is the water-based solution in which organelles, proteins, and other cell structures float. The cytosol of any cell is a complex solution, whose properties allow the functions of life to take place. Cytosol contains proteins, amino acids, mRNA, ribosomes, sugars, ions ...
Jan 20, 2017 · Organelle Definition. The term organelle is derived from the word ‘organ’ and refers to compartments within the cell that perform a specific function. These compartments are usually isolated from the rest of the cytoplasm through intracellular membranes. These membranes could be similar to the plasma membrane or made from a different ...
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Sep 20, 2024 · cell, in biology, the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed. A single cell is often a complete organism in itself, such as a bacterium or yeast. Other cells acquire specialized functions as they mature.
