Question

proper defination of the following 1) protoplasm 2)nuleus 3)cytoplasm 4)chromosomes 5)tissues 6)organelle 7)cell membrane​

Answer 1

Answer:

1. Protoplasm is the colorless material and the living part of the cell, including the nucleus, cytoplasm and other organelles.

2. Nucleus is an organelle which is found in only eukaryotic cells. It contains the majority of the cell's genetic material. All the functions of the cells are carried out by the nucleus.

3. Cytoplasm is a thick solution that fills each cell and is enclosed by the cell membrane. It is mainly composed of salts, water and proteins.

4. Chromosomes are the thread-like structures containing DNA of an organism.

5. A tissue is a cellular organisation level between cells and a complete organ. Organs are formed by the grouping together of these tissues.

6. An organelle is a tiny structure that performs specific functions within a cell. Organelles are embedded within the cytoplasm of prokaryotic and eukaryotic cells.

7. A cell membrane is a biological membrane that separates the interior of all cells from the outside environment and helps to protect it.

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Answer 2

Answer:

protoplasm is composed of water , nucleic acid ,protein ,lipids etc . protoplasm which surrounds nucleus os called cytoplasm.

Nucleus is the brain of the cell , it control all activities of the cell. It is covered by a nuclear membrane which has nuclear pores . It is filled with granular protoplasm .

protoplasm surrounding cell nucleus is called cytoplasm.

chromosomes are the thread like structure present inside nucleus. each chromosome has two arms called chromatid.At the time of cell division chromatin material forms chromosomes

a group of cell combined together to perform a specific function is called tissue.

organelle are the tiny structure which performs function inside a cell. these are embedded within cytoplasm of eukaryotic and prokaryotic cells.

cell membrane is found in both plant and animal cell. it is made up of protein and lipids . it is also called semi permeable membrane.