NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Organelles in cells are called membrane-bound because
A
They are attached to the cell membrane
B
They are surrounded by their own membrane
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Membrane-bound organelles. Membrane-bound organelles are cellular structures that are bound by a biological membrane. The membrane may be a single layer or a double layer of lipids and typically with interspersed proteins.

Detailed explanation-2: -Microbodies. Microbodies are membrane-bound, minute, vesicular organelles, found in both plant and animal cells. They contain various enzymes and proteins and can be visualized only under the electron microscope.

Detailed explanation-3: -Credit: iStock. Scientists have long known that animal and plant cells have specialized subdivisions called organelles. These organelles are surrounded by a semi-permeable barrier, called a membrane, that both organizes the organelles and insulates them from the rest of the cell’s mix of proteins, salt, and water.

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