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Plant Cells vs. Animal Cells
Plant Cells vs. Animal Cells

... • Storage tank for cell food (proteins, carbohydrates, salt, water) or waste products • filled with liquid • FUNCTION: These plant-cell vacuoles provide plants with structural support during rapid growth. • NOTE: Because animals need to move around and often have skeletal systems they would not bene ...
Unit A Notes #1 Cell Intro - Mr. Lesiuk
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... - Have a nucleus and many membrane bound organelles. - Contains internal membranes. ...
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Meiosis vs Mitosis

... chromosomes. This division produces gametes, sperm and egg cells, in sexually reproducing organisms. It requires two divisions. ...
Unit 6 - Lonoke School District
Unit 6 - Lonoke School District

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Active Transport Notes

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The end of the beginning for pluripotent stem cells Peter J. Donovan
The end of the beginning for pluripotent stem cells Peter J. Donovan

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Cell Jeopardy - glaupperschool
Cell Jeopardy - glaupperschool

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cell - Madison Public Schools
cell - Madison Public Schools

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name date ______ period - West Ashley High School
name date ______ period - West Ashley High School

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Mid-Term Review

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Name_______________________________________ Unit

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Chapter 1 Section 2 - Revere Local Schools
Chapter 1 Section 2 - Revere Local Schools

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Plants and Animal Cells Under the Light Microscope
Plants and Animal Cells Under the Light Microscope

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Collect-a-Cell! - Partnerships for Environmental Education and Rural
Collect-a-Cell! - Partnerships for Environmental Education and Rural

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Animal Cell Coloring

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Chapter 5 Cell Membrane
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Rebel Academy – Khan Academy Review
Rebel Academy – Khan Academy Review

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Book Review
Book Review

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Plant Cell Lab Virtual Images
Plant Cell Lab Virtual Images

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Cellular differentiation



In developmental biology, cellular differentiation isa cell changes from one cell type to another. Most commonly this is a less specialized type becoming a more specialized type, such as during cell growth. Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types. Differentiation continues in adulthood as adult stem cells divide and create fully differentiated daughter cells during tissue repair and during normal cell turnover. Some differentiation occurs in response to antigen exposure. Differentiation dramatically changes a cell's size, shape, membrane potential, metabolic activity, and responsiveness to signals. These changes are largely due to highly controlled modifications in gene expression and are the study of epigenetics. With a few exceptions, cellular differentiation almost never involves a change in the DNA sequence itself. Thus, different cells can have very different physical characteristics despite having the same genome.A cell that can differentiate into all cell types of the adult organism is known as pluripotent. Such cells are called embryonic stem cells in animals and meristematic cells in higher plants. A cell that can differentiate into all cell types, including the placental tissue, is known as totipotent. In mammals, only the zygote and subsequent blastomeres are totipotent, while in plants many differentiated cells can become totipotent with simple laboratory techniques. In cytopathology, the level of cellular differentiation is used as a measure of cancer progression. ""Grade"" is a marker of how differentiated a cell in a tumor is.
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