How do free radicals effect diffusion of cells?

Q: Would cyanide poisoning increase the H+ concentration or decrease the H+ concentration in the…

A: In large doses, cyanide quickly binds with iron in cytochrome a3, preventing electron transport in…

Q: What are driving forces and how do they establish electrochemical gradients across cell membrane?

A: Electrochemical gradient is mainly potential difference due to differences in electrical and…

Q: What does the graph show about the rate of diffusion? Rate of diffusion facilitated transport simple…

A: Here we need to tell about diffusion on the basis of this graph. We understand diffusion with the…

Q: How are transmembrane potentials maintained in a leaky membrane?

A: transmembrane potentials of a membrane is maintained by the concentrate of sodium and potassium ion…

Q: Which are the molecules that make possible active transport through membranes?

A: The movement of the molecules through the membrane from the region of its lower concentration to the…

Q: How does the sodium- potassium pump present in the cell membrane work? What is the importance of…

A: Plasma membrane is the semipermeable that allows the selective substances to move in and out of the…

Q: through cell membranes, explain why all cell types are not sensitive to the presence of 17 beta

A: 17 beta estradiol is formed in the ovaries, testes or adrenal glands. It is made from cholesterol.

Q: Is glucose into the cell facilitated diffusion or active transport

A: Glucose cannot diffuse directly into cells but enters by a transport mechanisms: Na+ -independent,…

Q: What kind of molecules can use simple diffusion?

A: Simple diffusion is the process by which molecules are moved along the concentration gradient from a…

Q: What is the function of barrier insulators?

A: Genes are the basic structural and functional unit of heredity. They carry coded genetic information…

Q: What is the importance of diffusion and osmosis in living organisms and the ecosystem?

A: The process in which a molecule moves from a high concentration area to a low concentration area is…

Q: What is the purpose of gating in the transport channel?

A:

Q: How does water move across a plasma membrane?

A: The biological membrane found in all living cells that separates the internal structure of the cell…

Q: What is Fick’s first law of diffusion applied to biological membranes?

A: The plasma membrane is semi-permeable membrane that surrounds a cell providing shape and structure…

Q: What is Plasma Membrane Receptors?

A: Cell membrane and plasma membrane are the membrane that help to distinct the interior and exterior…

Q: How does a concentration gradient affect the direction of diffusion across the plasma membrane?

A: DiffusionIt is a physical process where the net movement of molecules from high concentration to low…

Q: Which process requires energy—passive or active transport? Why is energy sometimes required to move…

A: Passive Transport: Movement of a substance across a cell membrane with out the use of energy, from a…

Q: relationship between cell size and the efficiency of diffusion in a model cell

A: Answer: Cell size is limited by a cell's surface area to volume ratio.A smaller cell is more…

Q: how are simple diffusion and facilitated diffusion similar? how are they different? how are…

A:

Q: What is the energy source for all types of diffusion?

A: Diffusion is a form of mixing, usually where molecules disperse. More specifically, it is the net…

Q: Which of the following are the common features for both adenylate cyclase and guanylyl cyclase? a)…

A: Proteins that function as biological catalysts are known as enzymes. Catalysts help to speed up…

Q: what electrical potential means and how it could influence the diffusion rate of molecules

A: The cells in a living organism also possess some electrical charges that is usually achieved by the…

Q: What is Reverse osmosis? How is it different from regular osmosis? what are its application?

A: Osmosis It is a simple process in which solvent molecules move semipermeable membrane from lower…

Q: "drives" the diffusion of water across a cell membrane?

A: The cell membrane is a structure which protects the cell and acts as a barrier and transports the…

Q: Why is simple diffusion not an option for most molecules?

A: Diffusion is the process of movement of a substance from an area of high concentration to an area of…

Q: Why would a C4 plant have a competitive advantage at high temperatures? a) There is more rubisco in…

A: Introduction :- Before beginning the Calvin cycle of photosynthesis, a C4 plant fixes CO2 into a…

Q: Why do most molecules require the assistance of proteins to cross the cellular membrane? What…

A: The cellular membrane is a semi-permeable lipid bilayer. The lipids found in the membrane are…

Q: how does ethanol affect cell transport process?

A: The cell membrane is made of a phospholipid bilayer with proteins and cholesterol molecules…

Q: Why do cells lack membrane transport proteins that are specific for the movement of Oxygen?

A: Membrane transport proteins can transport molecules across the cell’s semi-permeable membrane…

Q: Which are several subfamilies of plasma membrane G proteins?

A: The plasma membrane is also known as the cell membrane of the cell which is made up of lipids…