2081Week3 - protein from its synthesis to its secretion...

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Bio 150 2081 Recitation Week 3 1. What types of chemical interactions are involved in forming tertiary structures of proteins? 2. Draw the dimer formed by the amino acids glycine and Alanine. Using dashed lines, box the peptide-bond formed between the amino acids. Label the N-terminus and the C- terminus (the amino and carboxyl groups). 3. A microbiologist examines a pancreatic animal cell under a transmission electron microscope. Cells from the pancreas are specialized for the manufacture and export of digestive enzymes (proteins). What are the major cell structures that are likely to be found in great quantities in pancreatic cell? 4. Many proteins which are synthesized in cells must be transported out of the cell. What are the major cell structures that are involved in protein synthesis? Trace the path of a
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Unformatted text preview: protein from its synthesis to its secretion from the cell's plasma membrane. 5. What is the major distinction between a prokaryotic and a eukaryotic cell? a. A prokaryotic cell does not have a nucleus, whereas a eukaryotic cell does. b. A prokaryotic cell does not have DNA, whereas a eukaryotic cell does. c. A prokaryotic cell is smaller than a eukaryotic cell. d. Prokaryotic cells have not prospered, whereas eukaryotic cells are evolutionary “successes.” e. A prokaryotic cell cannot obtain energy from its environment. 6. The organelle below is found in all eukaryotic cells but is most numerous in cells requiring a lot of energy (liver cells have thousands). This organelle is known as a a. lysosome. b. Golgi apparatus. c. rough endoplasmic reticulum. d. mitochondrion. e. chloroplast....
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