How would this protein be arranged in the ER membrane? Red is signal sequence/start. Yellow is stop transfer. Blue is protein sequence N-term Select one or more: a. N-term cytosol b. N-term ER C. C-term cytosol d. C-term ER C-term
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- Which of the following is reponsible for the synthesis of proteinsthat are being exported from the cell?a. smooth ERb. rough ERc. lysosomed. peroxisomeA transmembrane protein in the plasma membrane is glycosylated attwo sites in the polypeptide sequence. Where in this protein would youexpect these two sites to be found?a. in transmembrane segmentsb. in hydrophilic regions that project into the extracellular environmentc. in hydrophilic regions that project into the cytosold. could be anywheree. b and c onlyThe interior of lysosome is acidic true O False A lysosome is an organelle found in many animal cells and they contain hydrolytic enzymes that can break down many kinds of biomolecules true OFalse
- Imagine protein X, destined to span theplasma membrane. Assume that the mRNA carrying the geneticmessage for protein X has already been translated by ribosomesin a cell culture. If you fractionate the cells (see Figure 6.4), inwhich fraction would you find protein X? Explain by describingits transit through the cell.Since prokaryotes don't have microtubules, how does intracellular movement occur? For an example, how do proteins move to their designaed area within a prokaryote? Also, since they do not have a golgi apparatus, how are proteins processed and distrubuted thorughout the cell? Is the DNA different in prokaryotes that give it different instructions than what you would see in eukaryotes? Please help me understand this a bit more. Thank you. I'm not sure why Bartlby is saying my question looks like a graded assignment question. I guess I sound too professional lolIn an integral membrane protein, which of the amino acids below is most likely to be found in the interfacial region of the bilayer? Group of answer choices Lys Ala Phe Leu
- Which statement is correct regarding bacterial plasma membrane? O It is the outermost layer of a bacterial cell envelope. O It contains many invaginations that increase its surface area. Sterols (mostly cholesterol) represent ~20% of its structure. O All of the inserted proteins are glycoproteins. O It is mostly composed of phosphoproteins.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…Eukaryotic A clinical pathologist is observing a human cell sample for research purposes. Which characteristics should they expect to see in the body cell? O Free floating DNA Large Central Vacuole Cell Wall O Lysosome Which celtvne is shown in the image?*
- What is true of the proteins illustrated in the diagram below? Select all statements that are true. Protein molecules Protein channel C) cell membrane O a. Protein B has two hydrophilic parts and one hydrophobic part O b. Proteins A and B are integral membrane proteins Protein A is temporarily associated with the plasma membrane O d. Proteins A and B are steroids D e. Protein B uses secondary active transport E NE RDYou visualize your protein of interest in small punctate dots within the cell. You believe the protein could be traveling in a vesicle between the Golgi and ER. What type(s) of vesicles could your protein be in? To confirm the type of vesicle your protein is traveling in you GFP tag a protein that will help you identify the vesicle type. Please state what protein you will tag and, if found together with your protein of interest, what vesicle your protein is traveling in.Which helices acted as stop-anchor [STOP-ANC] sequences in the transmembrane protein in the diagram? Cytosol C N. 1 2 3 4 6 ER lumen
