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Carbon dioxide, oxygen and some nonpolar molecules diffuse easily.
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What type of compound would easily diffuse into the cell?
Small, nonpolar molecules such as oxygen and carbon dioxide can easily diffuse into the cell membrane due to their ability to pass through the lipid bilayer. Hydrophobic compounds also diffuse across the membrane more readily than hydrophilic compounds.
Gases diffuse most efficiently across what?
Gases diffuse most efficiently across a thin membrane or barrier. This is because a thin membrane allows for quicker movement of gas molecules from an area of high concentration to an area of low concentration.
Why can oxygen diffuse across s cell membrane but a protein cannot?
Oxygen can diffuse across a cell membrane because it is a small, non-polar molecule that can easily pass through the lipid bilayer of the membrane. In contrast, proteins are large and often polar or charged, making it difficult for them to traverse the hydrophobic core of the lipid bilayer without assistance. Proteins typically require specific transport mechanisms, such as channels or carriers, to facilitate their movement across the membrane.
What are 2 substances that diffuse freely across a cell membrane?
CO2, H2O, and O2 can all diffuse across a cell membrane. Also, small polar molecules (uncharged) and hydrocarbons easily diffuse across.
What can oxygen diffuse across a cell membrane but protein cannot?
Oxygen can diffuse across a cell membrane because it is a small, nonpolar molecule that can pass through the lipid bilayer easily without the need for transport proteins. In contrast, proteins are larger and typically polar or charged, making it difficult for them to traverse the hydrophobic core of the membrane. As a result, proteins usually require specific transport mechanisms, such as channels or carriers, to cross the membrane.
Why can oxygen diffuses across a cell membrane but a proton cannot?
Oxygen can diffuse across a cell membrane because it is a small, nonpolar molecule that can easily pass through the lipid bilayer of the membrane. In contrast, protons (H⁺ ions) are charged and polar, making it difficult for them to traverse the hydrophobic core of the membrane without assistance. Protons typically require specific transport proteins, such as ion channels or pumps, to facilitate their movement across the membrane. This difference in size and polarity explains why oxygen can diffuse freely while protons cannot.
What substances easily diffuse a class of cell membrane?
Lipid-soluble substances, such as oxygen, carbon dioxide, and small non-polar molecules, easily diffuse across the cell membrane. These substances can pass through the lipid bilayer of the membrane without the need for specific transport proteins.
What statement explains why oxygen molecules easily diffuse across a cell membrane well glucose molecules do not?
Oxygen molecules are small and nonpolar, allowing them to easily diffuse through the lipid bilayer of the cell membrane without the need for transport proteins. In contrast, glucose is a larger, polar molecule that cannot passively diffuse through the membrane; it requires specific transport proteins to facilitate its movement into the cell. This difference in size and polarity accounts for the varying ease of diffusion for these two substances.
Why do molecules easily diffuse across a cell membrane while glucose molecules do not?
Glucose is too big to pass throught.
Why can oxygen disfuse across a cell membrane but a protein cannot?
Oxygen can diffuse across a cell membrane because it is a small, nonpolar molecule that can easily pass through the lipid bilayer without the need for transport proteins. In contrast, proteins are larger and typically polar or charged, making it difficult for them to traverse the hydrophobic core of the membrane. Instead, proteins usually require specific transport mechanisms, such as channels or carriers, to facilitate their movement across the membrane. This difference in size and polarity determines their ability to diffuse freely.
Why can oxygen diffuse into a cell membrane but a protein cannot?
Oxygen can diffuse through a cell membrane because it is a small, nonpolar molecule, allowing it to pass through the lipid bilayer easily. In contrast, proteins are large and often polar or charged, which prevents them from penetrating the hydrophobic core of the membrane without assistance. Additionally, proteins typically require specific transport mechanisms, such as channels or carriers, to facilitate their movement across the membrane.
Why can oxygen diffuse across the cell membrane the protein cannot?
Oxygen can diffuse across the cell membrane because it is a small, nonpolar molecule, allowing it to pass through the lipid bilayer easily due to the hydrophobic nature of the membrane. In contrast, proteins are larger and polar or charged, which prevents them from readily crossing the lipid bilayer without assistance. Instead, proteins typically require specific transport mechanisms, such as channels or carriers, to facilitate their movement across the membrane. This difference in size and polarity is key to the distinct transport processes for oxygen and proteins.
