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Cell Biology

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Electrochemical gradient and secondary active transport

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Electrochemical gradient and secondary active transport

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oh-soufflegirl: Hey everyone! Here (x) is my note on Genes (it includes Mitosis, Meiosis, and the Cell Life Cycle). If you’re having a hard time reading my handwriting, feel free to send an ask my way! I’ll try my best to respond to any questions as fast as possible.  As always, I hope this note helps! Happy studying!

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My Notes for USMLE — oh-soufflegirl: Hey everyone! Here (x) is my...

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Fantastically detailed video on cell membrane. Part 1 of a series.

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Biology Cell Cake by Nicole William posted from deviantart.com

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Biology Cell Cake by NicoleWilliam on deviantART

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georgistudies : scanned my latest notes on the cell membrane!

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goodness gracious!

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Free Directions for Using a Compound Microscope and other free printables from Laura Candler's online science file cabinet

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▶ Protein Synthesis Animation Video - 2:25 tRNA is joined to the mRNA by a peptide bond. A tRNA moved into the Asite where the codons match the mRNA the Ribosome shifts down by one codon at a time and new amino acids are added one at a time. It cuts off when a stop codon moves into the A site on the mRNA. The mRNA & the amino acid/protein are both released by the ribosome. p-site, A (acceptor) site & E site =Exit

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More great enzyme animations at McGrawHill Higher Education

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In Greek, the word “macrophage” means “big eaters,” which is exactly what macrophages do. They are notably large cells whose job, as part of the innate immune response, is to engulf and digest cellular debris and invasive pathogens. They also stimulate other components of the immune system.

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Phagocyte: engulfs microbes and uses lysosomes to digest them. Lysosomes fuse with the vacuole containing the microbes and release digestive enzymes like lysozymes & proteolytic enzyme. White blood cells are phagocytes that aid in immune response.

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