Question
Transport proteins, transport molecules by _________.
- Osmosis
- Movement
- Protein movement
- Facilitated diffusion
Hint:
Transport protein helps in transporting molecules across the plasma membrane.
The correct answer is: Facilitated diffusion
- Transport proteins are known for transporting molecules by facilitated diffusion.
- A transport protein refers to a type of carrier protein that helps to transport molecules like ions, electrolytes, protein, etc. across the plasma membrane.
- Facilitated diffusion refers to the passive movement of molecules along the concentration gradient. Here, passive movement refers to the movement of molecules from higher concentration to lower concentration. This type of diffusion is also known as carrier-mediated transport because for this movement, certain transport proteins are involved.
There are three types of transport - uniport, symport, antiport. Uniport is the transportation of a single molecule. Symport is the movement of two molecules in the same direction whereas antiport is the movement of two molecules in different directions.
Related Questions to study
The following picture is of ________.
The phospholipid component is a crucial part of the plasma membrane.
The following picture is of ________.
The phospholipid component is a crucial part of the plasma membrane.
______ is the basic unit of a living organism.
The cells perform various functions in the body. They consist of many organelles and their cytoplasm is the site for many chemical reactions.
______ is the basic unit of a living organism.
The cells perform various functions in the body. They consist of many organelles and their cytoplasm is the site for many chemical reactions.
Which among the following contains the cell membrane?
The cell membrane also maintains the shape of the cell and provide its fluidity.
Which among the following contains the cell membrane?
The cell membrane also maintains the shape of the cell and provide its fluidity.
Which of the following statement is incorrect?
The cell membrane maintains electric or cell potential. This feature is required for proper communication between two cells, or cells and its outer environment.
Which of the following statement is incorrect?
The cell membrane maintains electric or cell potential. This feature is required for proper communication between two cells, or cells and its outer environment.
Which of the following organelles maintain cell’s potential?
The cell membrane helps in the communication of cells with the outer environment.
Which of the following organelles maintain cell’s potential?
The cell membrane helps in the communication of cells with the outer environment.
What is the nature of lipid bilayer?
Hydrophilic refers to water-loving and hydrophobic refers to water-hating.
What is the nature of lipid bilayer?
Hydrophilic refers to water-loving and hydrophobic refers to water-hating.
_______ is responsible for selective uptake of material through cell membrane.
The plasma membrane consists of lipids, protein and carbohydrates.
_______ is responsible for selective uptake of material through cell membrane.
The plasma membrane consists of lipids, protein and carbohydrates.
______ are the components of cell membrane.
The cell membrane also consists of carbohydrates in its structure. They are known to help in cell-to-cell identification and interaction process.
______ are the components of cell membrane.
The cell membrane also consists of carbohydrates in its structure. They are known to help in cell-to-cell identification and interaction process.
What is the role of carbohydrates in cell membrane?
Carbohydrates prevent the movement of highly charged molecules across the membrane.
What is the role of carbohydrates in cell membrane?
Carbohydrates prevent the movement of highly charged molecules across the membrane.
Animal cell does not contain _______.
An animal cell is a eukaryotic cell.
Animal cell does not contain _______.
An animal cell is a eukaryotic cell.
The organism comprising of more than one cell is called as__________.
Examples of multicellular organisms are plants, animals, human beings, etc.
The organism comprising of more than one cell is called as__________.
Examples of multicellular organisms are plants, animals, human beings, etc.
The head of a phospholipid is ______.
The phospholipids are present in the cell membrane. It helps to create pores and the movement of certain molecules across the membrane.
The head of a phospholipid is ______.
The phospholipids are present in the cell membrane. It helps to create pores and the movement of certain molecules across the membrane.
Without the cell, we cannot______.
The cells consist of a vast variety of organelles that help in the proper functioning of the body.
Without the cell, we cannot______.
The cells consist of a vast variety of organelles that help in the proper functioning of the body.
Plant and animal are ________.
The cells combine together to form tissues, and these tissues form organs which lead to the formation of the organ system.
Plant and animal are ________.
The cells combine together to form tissues, and these tissues form organs which lead to the formation of the organ system.
______ is also known as cell membrane.
The cell membrane is semi-permeable in nature. It only allows certain molecules to pass through it and resists the movement of other molecules.
______ is also known as cell membrane.
The cell membrane is semi-permeable in nature. It only allows certain molecules to pass through it and resists the movement of other molecules.
