Contents
What is function of ribosome?
Ribosomes have two main functions — decoding the message and the formation of peptide bonds. These two activities reside in two large ribonucleoprotein particles (RNPs) of unequal size, the ribosomal subunits. Each subunit is made of one or more ribosomal RNAs (rRNAs) and many ribosomal proteins (r-proteins).
What is the main function of ribosomes Class 9?
Functions of ribosomes: Ribosome provides space for the synthesis of proteins in the cell. Hence are called protein factories of the cell. Ribosome furnishes enzymes and factors needed for the formation of polypeptides.
What is Nucleus Simple?
1 : a usually round part of most cells that is enclosed in a double membrane, controls the activities of the cell, and contains the chromosomes. 2 : the central part of an atom that comprises nearly all of the atomic mass and that consists of protons and neutrons.
What do ribosomes do simple answer?
A ribosomes is a small organelle involved in the process of making protein, which is called protein synthesis. The ribosome handles translation, which is the second part of protein synthesis. Ribosomes can be found floating freely in the cytoplasm or attached to rough endoplasmic reticulum.
Where is the main function of ribosomes?
A ribosome functions as a micro-machine for making proteins. Ribosomes are composed of special proteins and nucleic acids. The TRANSLATION of information and the Linking of AMINO ACIDS are at the heart of the protein production process.
What is nucleus give example?
The nucleus is the center core of an atom that has a positive charge and that contains most of the atom’s mass, or the central heart of an organization or group. An example of a nucleus is the center core of an atom.
What is the function of the ribosome in the cell?
The ribosome is a complex molecular machine found inside the living cells that make proteins from amino acids together in the process called protein synthesis or translation. Protein synthesis is the major task performed by living cells.
Is it possible for a cell to function without ribosomes?
Considering the primary function of ribosomes in constructing proteins, it is understandable that a cell cannot function without ribosomes.
How many ribosomes are there in a bacterial cell?
They are fewer in bacterial cells, like E. coli, as some are around 10,000 ribosomes. The size of the ribosome varies depending on what sort of cell it is in, but its function remains the same. Ribosomes are composed of ribosomal RNA (rRNA) and ribosomal proteins.
How is ribosomal protein processed in the nucleus?
In eukaryotes, the ribosomal protein enters the nucleus and is processed together with the rRNA strands to form a large ribosome subunit and a small ribosome subunit. They are shipped out of the pores of the nucleus and meet to form the completed ribosome.