Study guide Cell Biology.pdf

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ell Bio Study guide If you need a professional to complete your college homework at a small fee, then reach out to amazingclasshelp.com 1. Brewers yeast. It is a fungus, multiplies rapidly, and is ... a great example of evolutionary conservatism → Simple Eukaryotic cell model organism? (Ans: a) a. True b. False 2. Which of the following is not a characteristic of the eukaryotic nucleus? (Ans: b) a. Storage, replication, and transcription of DNA b. Single membrane c. Nuclear membrane (envelope) supported by cytoskeleton (lamins) d. Nuclear pore complexes 3. Which of these is not one of the main functions of the cytoskeleton? (Ans: c) a. Internal scaffolding of cell b. Cellular movement and intracellular transport c. Central role in meiosis d. cell to cell adhesion 4. Which of the following is not a step in actin filament assembly? (Ans: c) a. Actin binds and hydrolyzes ATP b. G-actin monomers bind head-to-tail as trimmers (nucleation step) c. preferential addition of actin monomers to (-) end d. All of the above 5. Viscosity of plasma membrane is regulated by all of the following except? (Ans: d) a. lipid composition b. temperature c. FA chain length d. ligand binding 6. Which one of these is a mechanism for protein transport? (Ans: d) a. Gated Transport b. Protein Translocation c. Vesicular Transport d. All of the above 7. The same signal molecule can induce different outcomes from target cells only when they express different types of receptors. (Ans: b) a. True b. False 8. Cell surface receptors fall into three basic classes. Which one of the following is not one of them? (Ans: d) a. ion-channel coupled receptor b. GPCR receptor c. RPTK receptor d. cortisol receptor 9. To help achieve proper base pairing and hence form a double helix, which conditions must be met? (Ans: c) [Show More]

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