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4. Sketch and describe in your own
words, the plant cell and animal cell.
pls help me
Answers
Explanation:
ANSWER
An animal is made of following components.
Cell membrane or plasma membrane : It forms the limiting boundary of the cell. It encloses the cytoplasm and cell organelles. Its function is to selectively allow the movement of substances into and outside the cell.
Cytoplasm - It a semifluid substance present within the cell membrane. It has various cell organelles and inclusions dispersed in it. The cytoplasm helps in the movement of substance between organelles and to the cell membrane. The movement is regulated by proteins present in the cytoplasm that form the cytoskeleton.
Nucleus - It is the most important organelle of the cell. It consists of genetic material dispersed in the nucleoplasm enclosed by a nuclear envelope. The envelope has multiple pores for exchange of substances between the nucleoplasm and the cytoplasm. It also contains a nucleolus. The major function of the nucleus is to control all the activities of the cell.