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- 1. Imagine a hypothetical situation in which an animal cell such as a hepatocyte or a macrophage would completely lose the ability to produce membrane proteins. a) What would be the structural and molecular organization of such a hypothetical cell? b) How do you think this situation would affect the function of that cell? Be as thorough as you can.Hi, can you answer the question 1 to 5? To identify the parts of this cell structure of Tem human cells Thank you1. When considering tight junctions, adherens junctions, and desmosomes: a. Which ones do not help in resisting mechanical stress and holding cell shape? Why not? b. Considering how the mechanical junctions are placed in the plasma membrane, why don’t they provide a truly sealed barrier?
- 1. Organlles work together to sustain the overall function of the cell and maintain homeostasis (state of balance). Predict what would happen if one of the organelles was removed. How would that affect the survival and efficienct of the cell? 2. Which organelles are parts of the endomembrane system. The organelles are: Chloroplast Mitochondria Lysosome Endoplasmic Reticulum Golgi Bodies Ribosomes Cell Wall Vacuole MicrotubuleProvide 5 non-membranous organelles and their functions.1. Explain in detail how amino acids can be transported across the plasma membrane 2. By using the concept of endomembrane system, explain how plasma membrane involves in the protein synthesis of a cell. 3. With suitable examples, compare the structural and functional differences between a fibrous and globular protein. 4. A person suffers from a skin condition and loss of muscle. A doctor suspects the patient has protein deficiency. Justify why the doctor thinks so.
- 3. The protein integrin binds to actin filaments and, by binding to proteins like fibronectins, connects to collagen. In this manner, integrin ______. A.controls the permeability of the cytoplasmic membrane B. suspends organelles within the cytoplasm C. provides a direct linkage between the cytoskeleton and the extracellular matrix D. helps keep individual cells in place and connects adjacent cells to each other1) Why can cell membranes be polar? What does polar mean? 2) What are the basic cytoskeletal components of a cell? What does an animal cell have that no other cell has in the cytoskeleton?A meshwork of lamin filaments providing structural support to the nucleus a. inner membrane b. outer membrane c. both a and b d. lamina e. nuclear pore complex 2.Of the following organelles associated with endomembrane system, which group is primarily involved in synthesizing molecules needed by the cell? a. lysosome, vacuole, ribosome b. ribosome, rough ER, smooth ER c. vacuole, rough ER, smooth Er d. rough ER, smooth ER, vesicle
- 1. A scientist synthesized a membrane in the laboratory. The synthetic membrane has allthe properties associated with the cell membranes of living cells, can spontaneously formspheres or bubble-like configurations, which replicate on their own, and react with stimuliin the environment. With these findings, the scientist claims he was able to re-createunder laboratory conditions, what Earth’s first living cells possibly look like. State andbriefly explain/support your opinion about his claim. 2. In your own words, discuss how the process of mitosis faithfully distributes exact copiesof heritable information in the production of genetically identical daughter cells PLEASE ANSWER WITH COMPLETE DETAILS FOR A THUMBS UPWhat is the Description and Function of these organelles? Explain in 2-3 sentencesDescription:Function: a. Cell membrane b. Nucleus c. Mitochondria d. Lysosome e. Endoplasmic Reticulum f. Cytoskeleton g. Centrioles h. Ribosomes i. Golgi complexWhat controls the passage of molecules into and out of the nucleus? a. endoplasmic reticulum, an extension of the nucleus b. nuclear pores,which consist of membrane proteins c. nucleoli, in which ribosome s.ubunits. are made d. dynamically assembled microtubules e. tight junctions