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energy is not required for movement across membrane to occcur. molecules move from an area of high concentration to area of low conccentration

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14y ago

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Related Questions

What transportation does not require energy?

Passive


Is diffusion used in passive transportation?

yes


What are the kinds of transports?

Active transportation and passive transportation (found in facilitated diffusion and osmosis)


Does osmosis need ATP?

Never. It`s a passive transportation.


Why are memory cells not produced in passive immunity?

Memory cells are not produced in passive immunity because passive immunity involves the transfer of pre-formed antibodies, either naturally (e.g., from mother to fetus) or artificially (e.g., through administration of antibodies). Since memory cells are generated through exposure to antigens, which triggers an immune response and the formation of memory cells, passive immunity does not involve this process.


An example of artificial passive immunity?

Passive means that lymphocytes are not used means that plasma cells and memory cells or t cells both are not activated by antigen therefore no mitosis occurs!! ONE EXAMPLE: Injecting foreign antibodies into our body


Which type of transport is responsible for oxygen entering into blood cells?

Passive


There are two main ways in which molecules are transported into and out of cells - active transport and passive transport. Which of the following statements is true of passive transport?

Carrier proteins are sometimes used during passive transport.


What is transportation function?

Passive transport refers to the movement of biochemicals and other atomic or molecular substances across cell membranes. The function of the passive transport is that it is used in filtration and osmosis processes.


What cells use active transport?

Energy, versus passive in which energy is not used.


What is a key characteristic of passive transport?

No energy is needed. Transportation costs no ATP


What is a passive method by which glucose molecules enter cells?

Passive diffusion is a method by which glucose molecules enter cells. Glucose can diffuse through the cell membrane down its concentration gradient without the need for energy input from the cell.