which statement about ribosomes is true? a. they are made of dna and proteins b. the ribosomal proteins are made inside the nucleus c. the small and the large subunits assemble in the cytoplasm d. if we treat a ribosome with urea and beta-mercaptoethanol, it will still function

Respuesta :

True, the small and the large subunits assemble in the cytoplasm.

What are ribosomes?

All cells contain ribosomes, which are macromolecular organisms that carry out biological protein synthesis (mRNA translation). To make polypeptide chains, ribosomes combine amino acids in the order directed by the codons of messenger RNA (mRNA) molecules. The ribosomal subunits are the parts of ribosomes. The ribosomes and accompanying molecules are also referred to as the translational apparatus. Numerous ribosomal proteins and one or more ribosomal RNA (rRNA) molecules make up each subunit (RPs or r-proteins).. A messenger RNA chain is generated from the DNA sequence that determines the order of the amino acids in a protein. Messenger RNAs are linked by ribosomes, which use their sequences to determine the proper organization of amino acids to produce a specific protein. Transfer RNA (tRNA) molecules choose which amino acids to convey to the ribosome and then bind to the messenger RNA chain via an anti-codon stem loop. There is a specific transfer RNA that must precisely match the anti-codon of each coding triplet (codon) in the messenger RNA and carries the appropriate amino acid for incorporation into a developing polypeptide chain. After the protein has been created, it can fold to create a useful three-dimensional structure.

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