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Bacteria are protected by a rigid cell wall composed of
Bacteria are protected by a rigid cell wall composed of

... LEARNING OBJECTIVE [ edit ] ...
I can now explain how the different specialized organelles
I can now explain how the different specialized organelles

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Plant and animal cells card sort. - EAL Nexus

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UNIT 2 : Cells - Loudoun County Public Schools
UNIT 2 : Cells - Loudoun County Public Schools

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Specialised Cells Game
Specialised Cells Game

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Cell Division and Reproduction
Cell Division and Reproduction

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botany 860: plant cell biology

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Chapter 8 Resource: Cell Reproduction

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Worksheet - Biology Junction

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Plant Cells - New Brigden School

... Chloroplasts are the food producers of the cell. The organelles are only found in plant cells and some protests such as algae. Animal cells do not have chloroplasts. Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells. The entire process is called photosynthesi ...
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Chapter 10-1, 10-2 - The Biology Corner

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Cells - HKEdCity
Cells - HKEdCity

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Using yeast genetics and systems biology to understand the origin

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Programmed cell death



Programmed cell-death (or PCD) is death of a cell in any form, mediated by an intracellular program. PCD is carried out in a regulated process, which usually confers advantage during an organism's life-cycle. For example, the differentiation of fingers and toes in a developing human embryo occurs because cells between the fingers apoptose; the result is that the digits are separate. PCD serves fundamental functions during both plant and metazoa (multicellular animals) tissue development.Apoptosis and autophagy are both forms of programmed cell death, but necrosis is a non-physiological process that occurs as a result of infection or injury.Necrosis is the death of a cell caused by external factors such as trauma or infection and occurs in several different forms. Recently a form of programmed necrosis, called necroptosis, has been recognized as an alternate form of programmed cell death. It is hypothesized that necroptosis can serve as a cell-death backup to apoptosis when the apoptosis signaling is blocked by endogenous or exogenous factors such as viruses or mutations.
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