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- There are specific regions within the cell membrane known as cell membrane domains. Discuss cell membrane domains, their formation, and highlight their importance in cellular functions. You should use examples to elaborate.Using the space below, draw a model (picture, representation) of a cross-section of a cell membrane, including and labeling the following elements: a. Phospholipid bilayer, noting hydrophilic heads and hydrophobic tails b. Cholesterol c. Integral membrane proteins (include 1 glycoprotein and label the carbohydrate) d. Peripheral membrane proteins Describe how integral membrane proteins and peripheral membrane proteins are different in your own words, and include in your description what type of amino acids you might find on these proteins.Endoplasmic reticulum, mitochondria, and golgi bodies are structures in cell whose forms dictate their physical functions. Describe their function in relation to their structure.
- From the image provided. Explain whether any ions can traverse the plasma membrane. If your answer is “yes,” which ions traverse from the extracellular space to the intracellular space and vice versa. Explain your rationale.The following are the characteristics of the setup depicted below: The left side has a higher concentration of "yellow spheres" than the right side. The blue solution is water, and the yellow spheres dissolve in water (i.e. are osmoles). The dotted orange line is a semi-permeable membrane with characteristics exactly the same as a cell's plasma membrane. Below are TWO "If" statements that are separate questions. IF the yellow spheres are freely permeable across the dotted line, the process of [ Select ] ["facilitated diffusion", "active transport", "simple diffusion", "osmosis"] will occur. Consequently, the volume of water on the left side will [ Select ] ["stay the same", "decrease", "increase"] IF the yellow spheres cannot cross the membrane at all, the process of [ Select ] ["osmosis", "facilitated…Subject: Biology, Cell Biology Create a schematic diagram of a simple experiment which aims to determine if a certain cell membrane component moves in a flip-flop type manner.
- Provide a detailed, written explanation of the plasma membrane structure explaining both composition and arrangement. Refer to your drawings as necessary.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. GlycolipidThe following fluorescence microscopy shows several cells. What part of the cell is labelled by the fluorescence here? b The Cytosol The Endoplasmic Reticulum The nucleolus The nucleus The actin cytoskeleton
- Measure the length of Cell X using the ruler in Microsoft Word. Assuming the actual length to be 3 um, calculate the magnification. Show your complete solution. Based on Figure 1, what internal organization can be distinguished in cell X? Why? Based in Figure 1, can you see a limiting membrane? Can you deduce its presence? Why or why not?Click and drag the appropriate tiles to label the indicated parts of a cell membrane (blue dots). Click and drag the appropriate tiles to the yellow dots to indicate which side of the membrane represents the outside surface of the cell and which side represents the inside of the cell (cytoplasm).The cytoplasm of a certain cell is composed of a solution that is 98% water, 2% solutes. Consider the solution shown in the beaker in this picture: FOOE OOS Foor solution. [Select] Cytoplasm is 98% water, 2% solutes. The solution in the beaker would be considered when compared to [Select] The plasma membrane is impermeable to solutes. Beaker solution is 98% water, 2% solutes the cell. We would expect that the cell would [Select] if it was placed in the would account for whatever changes might occur to the volume of the cytoplasm of the cell when it is placed in the solution.
