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Murder, in the first degree...jk
What else can I help you with?
Which substance could pass through the cell membrane readily?
Small molecules, such as water, oxygen, and carbon dioxide.
Which of these extracellular signal molecules could diffuse through a plasma membrane and bind to an intracellular receptor?
Small hydrophobic molecules like steroid hormones can diffuse through the plasma membrane and bind to intracellular receptors, which then translocate into the nucleus to regulate gene expression.
Using an example explain what is meant by a partially permeable membrane?
A partially permeable membrane is a barrier that allows only certain substances to pass through while blocking others based on their size or properties. For example, a cell membrane is partially permeable because it allows water and small molecules to pass through while blocking larger molecules like proteins.
What will happen if a partially permiable membrane is replaced with a non permiable membrane?
If a partially permeable membrane is replaced with a non-permeable membrane, no substances will be able to pass through the membrane. This will prevent the movement of molecules across the membrane and alter the osmotic balance between the two sides of the membrane. This could lead to changes in cell volume and affect cellular processes that rely on osmotic balance.
Where in the membrane does facilitated diffusion occur?
Diffusion will most likely to occur where there is a high concentration of gas or water then the particles distibute evenly to the area of low concentration. for example if you could smell a turkey cooking in the oven from upstairs without anyone telling you.
What might happen if a disease caused a plasma membrane to thicken?
If a disease caused a plasma membrane to thicken, it could disrupt the exchange of molecules in and out of the cell. This could lead to issues with cellular communication, nutrient uptake, and waste removal. Ultimately, it could result in cell dysfunction and potential cell death.
Molecules A and B are both organic molecules found in many cells when tested it is found that molecule A cannot pass through a cell membrane but molecule B easily passes through state one way the two?
Molecule A may be too large or too polar to pass through the cell membrane effectively, while molecule B may be smaller and more nonpolar allowing it to pass through easily via diffusion. The difference in membrane permeability between the two molecules could be due to variations in size, charge, polarity, or interaction with membrane proteins.
What would happen is the fatty acids in a cell membrane were polar molecules?
If the fatty acids in a cell membrane were polar molecules, the overall structure of the membrane would be compromised. Polar fatty acids would lead to increased interactions with water, disrupting the bilayer arrangement essential for membrane integrity. This change could hinder the membrane's ability to act as a barrier, impairing cellular function and potentially leading to cell lysis or dysfunction. Additionally, the membrane's fluidity and permeability properties would be altered, affecting the transport of molecules across the membrane.
How would you design a cell membrane that would allow you to move more material through the membrane faster without taking more space?
One way to increase the speed of material movement through a cell membrane without taking up more space would be to incorporate more channels or transport proteins. These proteins can facilitate the movement of specific molecules across the membrane more efficiently. Another approach could be to increase the fluidity of the membrane by incorporating more unsaturated fatty acids, which would make it easier for molecules to move through the membrane. Lastly, increasing the surface area of the membrane through invaginations or microvilli could also enhance material transport.
Is defusion water going through the cell?
Diffusion is a physical process that involves the spontaneous movement of molecules from where they are plentiful to where they are scarce. This process could occur in either directions and is dependent on the direction of the concentration gradient. If for example, there are more water molecules outside the cell, then the water molecules would diffuse into the cell and if there are more water molecules inside the cell, they would diffuse out of the cell. I both cases, the water molecules have to travel through the cell membrane, which brings us to the next concept: Osmosis - which is the diffusion of molecules along a concentration gradient through a semi-permeable membrane (the cell membrane)
What was made fist molecules or atoms?
Atoms existed before molecules do. Without atoms, molecules could not happen.
What would happen if the fatty acids in a cell membrane were polar molecules apex?
If the fatty acids in a cell membrane were polar molecules, the membrane's structure and function would be significantly altered. Polar fatty acids would disrupt the hydrophobic bilayer formation, leading to impaired membrane integrity and fluidity. This could compromise the membrane's ability to act as a barrier, affecting the cell's ability to maintain homeostasis and communicate with its environment. Overall, the cell's survival and functionality would be severely jeopardized.
