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Synthesis, Targeting and Sorting STF - 1
Synthesis, Targeting and Sorting STF - 1

... relatives) directly ingest and then internally digest unicellular prey. Curiously, some cnidaria (or coelenterata as they used to be called) have evolved mechanisms for forming a commensal relationship with the single cell alga, Chlorella (ingesting but not digesting them). Speculate how such a rela ...
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... very small grain-like structure that makes proteins controls what goes in and out of the cell An animal that does not have a backbone The quality of having many lines of symmetry that all pass through a central point A structure in the cell that receives proteins and other materials from the endopla ...
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Comparing Plant and Animal Cells

... Can you think of some difference between the plants and animals in this image? is used in an organelle called a chloroplast to make food for the plant. Animal cells do not have chloroplasts or cell walls. Can you think of why this might be? Well, animals cannot make their own food. This is reflected ...
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Cell culture



Cell culture is the process by which cells are grown under controlled conditions, generally outside of their natural environment. In practice, the term ""cell culture"" now refers to the culturing of cells derived from multicellular eukaryotes, especially animal cells, in contrast with other types of culture that also grow cells, such as plant tissue culture, fungal culture, and microbiological culture (of microbes). The historical development and methods of cell culture are closely interrelated to those of tissue culture and organ culture. Viral culture is also related, with cells as hosts for the viruses. The laboratory technique of maintaining live cell lines (a population of cells descended from a single cell and containing the same genetic makeup) separated from their original tissue source became more robust in the middle 20th century.
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