Answer: Cell is the smallest structural and functional unit of an organism. It is the building block of a living organism. It is membrane-bound and is made up of cytoplasm, genetic material and other cell organelles or components.
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What is a cell?
In biology, the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm.Parts of a cell. A cell is surrounded by a membrane, which has receptors on the surface.
What is cell short answer?
“A cell is defined as the smallest, basic unit of life that is responsible for all of life’s processes.” Cells are the structural, functional, and biological units of all living beings. A cell can replicate itself independently. Hence, they are known as the building blocks of life.
What is cell 7th class?
Cell is the smallest unit of life. They are the structural, functional and biological uits of life. The discovery of cells was first made by Robert Hooke. While examining a section of a cork under the microscope, he observed small compartment-like structures and named them cells.It is the smallest living unit of life.
What is cell class8?
Cells: The cell is the basic structural and functional unit of life. All living organisms are made up of cells. Cells make tissues, tissues make organs, organs make organ systems and organ systems make a living organism. Thus, the cell is the building block, or the structural unit of the living body.
What is a cell in physics?
A cell is a single electrical energy source which uses chemical reactions to produce a current. An electrical cell is an ‘electrical power supply’. It converts stored chemical energy into electrical potential energy.
What is cell answer for Class 9?
Answer: A cell is capable of carrying out all the life functions, such as nutrition, excretion, respiration, etc. Hence a cell is called the functional unit of life. Additionally, the cell is the smallest unit of life and all the living beings are made up of cells.
What is cell in short answer Class 6?
A cell is the smallest unit of life and is capable of all life functions. Cells are the building blocks of life. This is the reason why cells are referred to as ‘the basic structural and functional units of life’. All cells vary in their shapes, sizes, and activities they perform.
What is cell short answer Class 9?
Cell is the smallest structural and functional unit of all organisms. It is the smallest unit of life. It is also called as building block of the life.
What is a cell for kids?
The cell is the smallest unit with the basic properties of life. Some tiny organisms, such as bacteria and yeast, consist of only one cell. Large plants and animals have many billions of cells. Human beings are made up of more than 75 trillion cells. The study of cells is a branch of biology.
What is a cell class 11?
Class 11 cell is a part of NCERT Biology class 11. Cells are the atoms of human bodies. They form the basis of living organisms. New cells also arise from pre-existing cells. In simple terms, they can be defined as the structural and functional unit of life.
What are cell organelles Class 9?
The cellular components are called cell organelles. These cell organelles include both membrane and non-membrane bound organelles, present within the cells and are distinct in their structures and functions.
What is a cell membrane class 8 short answer?
Cell membrane is made up of lipids and proteins. It is present in both plant and animal. This membrane is living, thin, and delicate. The cell membrane is a semi-permeable membrane, that allows the transmission of a very few molecules across it.
What is cell 10th class?
by Biology experts to help you in doubts & scoring excellent marks in Class 10 exams. The structural and functional unit of the body is called a cell.
What is electric cell class 12th?
Electric cell is an electrochemical device which converts chemical energy into electrical energy. It has two terminals: one terminal is positive and another one is negative. When we connect these two terminals to an electrical device, electric current or the electrons can flow through it.
What is a cell in physics class 6?
CBSE NCERT Notes Class 6 Physics Electricity and Circuits. An electric cell is a device which produces electricity capable to run smaller appliances like torch, clock, camera, radio etc. An electric cell has two terminals – positive (+) and negative (-). Positive side of an electric cell has a metal cap.
What is a cell class 9 Ncert?
A cell is able to live and perform all its functions because of these organelles. These organelles together constitute the basic unit called the cell. It is interesting that all cells are found to have the same organelles, no matter what their function is or what organism they are found in. uestions.
Who Discovered cell answer?
Robert Hooke
Answer- Cell was discovered by an English Botanist, Robert Hooke in 1665. He used self-designed microscope to observe cells in a cork slice back then.
Who discovered cell class 8?
Robert Hooke
The cell was discovered in 1665 by Robert Hooke while examining a cork.
What is cell in chemistry?
A chemical cell converts chemical energy into electrical energy. Most batteries are chemical cells. A chemical reaction takes place inside the battery and causes electric current to flow.
What is cell and its parts?
A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm. Within the cytoplasm lie intricate arrangements of fine fibers and hundreds or even thousands of miniscule but distinct structures called organelles.