| 1. | Golgi apparatus, protein synthesis |
| 2. | Golgi apparatus, formation of amino acids |
| 3. | Rough endoplasmic reticulum, protein synthesis |
| 4. | Rough endoplasmic reticulum, formation of glycoproteins |
| 1. | in digesting proteins and carbohydrates |
| 2. | as energy transferring organelles |
| 3. | in post-translational modification of proteins and glycosylation of lipids |
| 4. | in trapping the light and transforming it into chemical energy |
A major site for synthesis of lipids is:
1. SER
2. Symplast
3. Nucleoplasm
4. RER
Ribosomal RNA is actively synthesized in:
1. Lysosomes
2. Nucleolus
3. Nucleoplasm
4. Ribosomes
What is true about ribosomes?
| 1. | The prokaryotic ribosomes are 80S, where S stands for sedimentation coefficient |
| 2. | These are composed of ribonucleic acid and proteins |
| 3. | These are found only in eukaryotic cells |
| 4. | These are self-splicing introns of some RNAs |
Select the correct statement from the following regarding cell membrane:
| 1. | Na+ and K+ ions move across cell membranes by passive transport |
| 2. | Proteins make up 60% to 70% of the cell membrane |
| 3. | Lipids are arranged in a bilayer with polar heads towards the inner part |
| 4. | Fluid mosaic model of the cell membrane was proposed by Singer and Nicolson |
Which one of the following structures between two adjacent cells is an effective transport pathway?
1. Plasmodesmata
2. Plastoquinones
3. Endoplasmic reticulum
4. Plasmalemma
| 1. | Golgi apparatus | 2. | plastid |
| 3. | lysosome | 4. | vacuole |
| 1. | mitochondria | 2. | chromoplast |
| 3. | ribosomes | 4. | chloroplast |
Which one of the following has its own DNA?
1. Mitochondria
2. Dictyosome
3. Lysosome
4. Peroxisome