Assign a number to each item (from 1-5) to indicate the order of complexity, from the least complex to the most complex unit. Answer both sets. Set 1 Ribosomes nucleus CO2, NO3 Glucose Glucose-6-phosphate Set 2 Cell Ammonia protein Golgi apparatus chromosomes
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- Packaging and labeling of proteins done in Golgi apparatus O True False O OWhich of the follwoings represent the correct pathway of protein secretion? O Nucleus> RER > Transition vesicle > TGN > secretory vesicle > Exocytosis O Nucleus> RER > secretory vesicle > Golgi > transition vesicle > Exocytosis O Nucleus> RER > Transition vesicle > CGN > secretory vesicle > Exocytosis Nucleus> SER > Transition vesicle > Golgi > secretory vesilde > Exocytosis Ibron University Peport Abuse!The image below shows a density gradient centrifugation carried out to separate a mixture of lysosomes, peroxisomes and mitochondria Organelle mixture 60L 1.11 Centrifuge 1.15 2 1.19 1.22 1.25 Which fraction would you take to obtain mitichondria, and why? O Fraction 2 because mitochondria contain haemoglobin. giving them a reddish colour O Fraction 3 because it is the most dense fraction O It is impossible to decide without further testing O Fraction 1 because it is the least dense fraction O Fraction 2, because mitochondria contain haem, giving them a reddish colour Increasing density of sucrose (g/cm³) 3.
- For the following questions, match the labeled component of the cell membrane (Figure 3) with its description. Write the letter that corresponds the concept being asked. E D- Figure 3. 1. Peripheral protein 2. Cholesterol 3. Fiber of the extracellular matrix 4. Microfilament of the cytoskeleton 5. GlycolipidWhich of the following statements regarding microtubules is FALSE? Microtubules are typically arranged in cells such that thoir plus (+) ends are directed towards the plasma membrane and their minus (-) ends are attached to the centrosomes. Microtubules are composed of 13 protofilaments that are arranged into a hollow cylinder. Microtubules are polar. Microtubule-binding proteins, such as Tau, bind to microtubules to destabilizo thom. Microtubules are inherently unstable and rapidly disassemble with low/ GTIP concentrations.The plasma membrane is an effective barrier to molecularmovement across it, yet many substances do enter and leave thecell. Explain the mechanisms through which this is accomplished.
- Intermediate filaments have identical ends and lack polarity, whereas microtubules have two distinct ends with defined polarity. What is the molecular cause of these differences? Please keep brief - 2 sentences/dot points max.This is the general name for all storage containers in a cell O lysosome O peroxisome O vesicleFound in Found in Prokaryotes? Eukaryotes? Organell:/Structure (Y/N) (Y/N) Functions and other notes of importance Eimbrae Flagella Gap junctions Glycocalyx Golgi apparatus Lysosome Microvilli Mitochondrion Nucleoid
- A Cell Transport Study Guide Amara Mohamad - Cell Transpo A docs.google.com/presentation/d/1rTHSAC-61C2E8sLBESlplITDoyKOX5hXDpSNLDJ23TY/edit#slide-id.SLIDES API169621999 3 1 2 3 4 I 5 Hypertonic means that the environment outside of the cell has a higher concentration of solutes than the cell itself. That will attract water molecules from the cell leading to the shrinking of the cell water concentration is greater outside the cell and the solute concentration is higher inside the interior of the cell that is hypertonic to the hypertonic surroundings. The net flow of water is into the cell In an conce equal is no chang place will er 4. The tonicity of a solution is determined by the presence of solutes that (circle one) [ ca cannot ]easily pass the cell membrane. 5. In a HYPERTONIC solution, there is a (circle ore) ( higher | lower ] amount of solutes ide ecell relative the inside of a cell. 6. In a HYPOTONIC solution, there is a (circle one) [ higher lower ] amount of solutes outside…What cell type is this? Explain why Fibroblasts Epithelial cells Lymphocytes Macrophages the photo is of stained mammalian cellsthat are under under a compound light microscope at 400x total magnification. the cells were treated with cell fixing agent, methylene blue stain, and eosin stain.9A. Matching cell structures their functionsiutocues) Answer Structures Function Centrioles 1. Composed of proteins and rRNAs Cytosol 2. Region in prokaryotes contains a chromosome Golgi complex 3. ring of nine outer microtubule doublets (9+2 axoneme) Plasma membrane 4. Support the cell and protect against plasmolysis Ribosome 5. Composed of glycoprotein(s) and involved in transferring material into or out of the cell Transporters 6. contain hydrolytic enzymes and involved in autophagy Receptor 7. Composed of microtubules and sweep mucus out of respiratory tract Peroxisome 8. Controls which material can get in or out of the cell Nucleoid 9. Contains chromosomes and has nuclear envelope Cilia 10. Maintain membrane fluidity 11. contains necessary enzymes for that modify, sort, and package of proteins or lipids for extracellular or intracellular use 12. Fluids baths between organelles 13. Is a ligand-binding site and can receive specific signals from out of the cell 14. Contains catalase…
