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Cell Study Guideline Objectives
Cell Study Guideline Objectives

... Cells are the building blocks of life. Every living thing is made up of cells that work together. But what are they made out of? Just as a map is used to guide you to a destination, use these sentences to guide you in your study of this unit. 1. Write a sentence for each vocabulary word. Study your ...
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Steroid hormone receptor homologs in development

... RNA from the two receptor genes have different tissue distributions. RNA from the a form is expressed in hematopoietic cell lines while RNA from the B receptor has a more complex distribution, being highest in the brain, kidney and prostate (deThe et al. 1989). By analogy with steroid receptors, a p ...
Cell Structure and Functions
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animal cell and tissue culture

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Signal transduction



Signal transduction occurs when an extracellular signaling molecule activates a specific receptor located on the cell surface or inside the cell. In turn, this receptor triggers a biochemical chain of events inside the cell, creating a response. Depending on the cell, the response alters the cell's metabolism, shape, gene expression, or ability to divide. The signal can be amplified at any step. Thus, one signaling molecule can cause many responses.
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