1. Proteins make up 60 to 70% of the cell membrane
2. Lipids are arranged in a bilayer with polar heads towards the inner part
3. Fluid mosaic model of cell membrane was proposed by singer and Nicolson
4. Na+ and K+ ions move across cell membrane by passive transport
Fluid mosaic model of cell membrane was proposed by singer and Nicolson
1. a and c are wrong
2. a and b are wrong
3. b and c are wrong
4. a and d are wrong
5. c and d are wrong
b and c are wrong
1. Nucleus
2. Golgi bodies
3. Chloroplasts
4. Membrane separating the nucleus from the cytoplasm
Membrane separating the nucleus from the cytoplasm
1. It has become separated from other cells
2. Its vital forces have been destroyed
3. A change of its surrounding environment has occurred
4. A change of its specific organization has occurred
Its vital forces have been destroyed
1. Cell wall absent in animal cell but chloroplast present
2. Cell wall and chloroplast absent in animal cell
3. Vacuoles only few and that too contractile; are present in plant cell
4. Cell wall present cell
Cell wall and chloroplast absent in animal cell
1. Centrifugation
2. Tracer technique
3. Chromatography
4. Microscopy
Chromatography
1. Robert Hooke
2. Leuwenhoek
3. Schleiden and Schwann
4. Purkinje
Schleiden and Schwann
1. 10-8 cm
2. 10-4 cm
3. 10-6 cm
4. 10-3 cm
10-8 cm
1. Centrioles, cilia and flagella
2. DNA, mDNA and tRNA
3. ER, Golgi complex and lysosome
4. Leucoplast, chloroplast and chromoplasts
Centrioles, cilia and flagella
1. One
2. Two
3. Three
4. None
Two