NEET2005ZoologyMolecular Basis of InheritanceActual
Protein Synthesis in an animal cell occurs:
Options
- Aonly on the ribosomes present in cytosol
- Bonly on ribosome attached to the nuclear envelope and endoplasmic reticulum
- Con ribosome present in the nucleolus as well as in cytoplasm
- Don ribosomes present in cytoplasm as well as in mitochondria.
Correct answer
D. on ribosomes present in cytoplasm as well as in mitochondria.
Step-by-step solution
Ribosomes are known as protein factory and are actively involved in the synthesis of protein. Ribosomes are found in the cytosol and in the semi-autonomous organelles, such as mitochondria and chloroplasts. Related Theory Ribosomes either occur singly (monosomes) or in cluster (polysomes). Apart from ribosomal RNA (rRNA), the other two forms of RNA required for protein synthesis are: messenger R N A (mRNA), which carries coding information from DNA, and transfer RNA (tRNA), which carries amino acids. Ribosomes use