find this ans fast and correct please dont blamer .. Cbse class 9 biology chapter 1
Answers
1)Plasma membrane called a selectively permeable membrane because it regulates the movement of substances from within to outside of the cell.
2)The food in amoeba is obtained by the process of endocytosis. Endocytosis is a cellular process where the substances are brought into the cell by a cell membrane surrounding the cell. These cell membranes then break off and form a vesicle surrounding the food material.
3)Prokaryotic cells do not have a nucleus. ...
Prokaryotic cells don't have organelles. ...
Prokaryotic cells are surrounded by a plasma membrane and a cell wall. ...
Cytoplasm and ribosomes. ...
Flagella, pilli and fimbriae.
Eukaryotic cells have the nucleus enclosed within the nuclear membrane.
The cell has mitochondria.
Flagella and cilia are the locomotory organs in a eukaryotic cell.
A cell wall is the outermost layer of the eukaryotic cells.
The cells divide by a process called mitosis.
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