Plasma Membrane or Cell Membrane
Plasma Membrane or Cell Membrane
It is the outer covering of a cell. It separates the cell from its environment. It is a bilipid layer composed of proteins and carbohydrates. Such membranes are also called as the unit membrane. It is a porous membrane through which selected substances can enter or leave the cell. The cell membrane is also called plasma membrane. The thickness of a unit membrane is about 75 A°.
Functions of Plasma Membrane :-
Movement of Carbon Dioxide and Oxygen:
]Movement of carbon dioxide or oxygen across the cell membrane occurs by a process called diffusion. Diffusion is the process of movement of molecules from one region with higher concentration to a region of lower concentration.
Which of the following membrane is selectively permeable and flexible ? | |||
| Right Option : A | |||
| View Explanation | |||
Unit cell membrane is having average thickness of ____________ | |||
| Right Option : C | |||
| View Explanation | |||
________________________ membrane that surrounds all the organelles of a cell. | |||
| Right Option : B | |||
| View Explanation | |||
Students / Parents Reviews [10]
My experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
Shreya Shrivastava
8thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
Hiya Gupta
8thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
Om Umang
10thIt was good as the experience because as we had come here we had been improved in a such envirnment created here.Extra is taught which is beneficial for future.
Eshan Arora
8thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
Manish Kumar
10thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
10thIt has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
Barkha Arora
10thIt was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
Cheshta
10thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
