John Cusack
Clay Riddell
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Cell publishes findings of unusual significance in any area of experimental biology, including but not limited to cell biology, molecular biology, neuroscience, immunology, virology and microbiology, cancer, human genetics, systems biology, signaling, and disease mechanisms and therapeutics. More. This is a Transformative Journal Opens in new ...
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The cell on the left is going through mitosis and its chromosomes have condensed. Cell nucleus: A cell's information center, the cell nucleus is the most conspicuous organelle found in a eukaryotic cell. It houses the cell's chromosomes, and is the place where almost all DNA replication and RNA synthesis (transcription) occur.
Apr 19, 2024 · Learn about the basic unit of life, the cell, and its structure, functions, and diversity. Explore the similarities and differences between animal cells, plant cells, and bacterial cells, and the organelles, molecules, and processes that make them function.
Learn about the history and theory of cells, the basic units of life. Explore the diversity and functions of different types of cells, and how they are observed and studied.
- What is the main function of a typical cell in the human body?Cellular biology is a pretty in depth field, but cells basically break down sugars into usable energy, they regulate growth through cellular divisi...
- in the second paragraph, when you cut a cell in half, what do you see, and are any cells the same?When cut a cell in half you will see a cell membrane, cell wall (in some cells), cytoplasm- the jelly-like substance in the cell, mitochondria- the...
- Is it actually possible to cut a cell in half (as mentioned in the second introductory paragraph)? I...they use staining agents do dye the cell. Staining agents include Methyl Blue and Safrannin
- how many cells is an egg made of?When you say that, do you mean it in an "embryonic egg, inside of the womb" context or an egg that has been laid?
- Does number of the cells in our body always remain the same ?Not really: cells continuously die and split so that they keep getting destroyed but the body replaces them too. Also, children have fewer cells th...
- Are cells in the human body more reliant on other cells than unicellular organisms?We are looking at it on a different scale. An unicellular organism does not even have 'other cells to be reliant on' since it is unicellular. In a...
- how would that first cell survive?Most likely because of the lack of competition. If you were the only organism alive, with lots of resources around you, why wouldn't you be able to...
- are cells made out of cellsLol that's not possible! Cells are instead made out of various biomolecules and cell organelles, which are made out of various other molecules bond...
Cells are the basic units of life, with common features and functions that vary by size, shape, and function. Explore the composition, structure, and diversity of cells, and how they adapt to different environments and roles.
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Learn about the basic structure and functions of cells, the most fundamental units of life. Watch a video, read a transcript, and explore questions and comments from other learners.
- 6 min
- Sal Khan
Learn about the structure and functions of animal and plant cells, and the organelles that carry out specific tasks. See diagrams, examples, and questions to test your understanding of cell biology.
