Homework Answers
1.(a) The plasma membrane or the cell membrane is made up of a single membrane having lipid bilayer while the nuclear envelope that surrounds the genetic material of a cell is made up of a double layer of lipid bilayer.
2.(c) Ribosomes are packets of genetic material and protein that act as the protein factory of the cell.These are non membranous structure and are continuous with the cytoplasm of cell.
3.(b) Mitochondria are not considered as a part of endomembrane system. Along with peroxisomes and chloroplast,mitochondria are not considered as a part of endomembrane system because these structures does not coordinate their function along with endoplasmic reticulum,golgi complex,vacuoles,lysosomes which are the components of endomembrane system.
4.(d) Golgi complex functions as the processing or packaging of proteins and lipids which are synthesized in the cell.
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