Answer: The statement is false
Explanation: A codon consists of three nucleotides instead of four. Codons are triplets of nucleotides on an mRNA molecule that code for specific amino acids. Each amino acids are specified by at least one codon. Some amino acids are specified by one codon, some are specified by two or more codons. The phenomenon whereby more than one codon specifies one amino acid is known as the degeneracy of the codons.
The answer would be C. a star
Ans.
Beads on a string structure shows DNA molecule, which wraps around histone proteins. This structure is known as chromatin. The histone molecules are supposed as beads and DNA molecule represents a string, thus known as beads on string structure.
It plays an important role in DNA packaging as it folds very long molecules of DNA into a dense, compact form that can fit into a small nucleus or cell.
Hence, the correct answer is option d.
Answer:
chemical change
Explanation: the acid in your stomach changes the food you swallowed into sum else and you cant reverse it, think of it like toasting bread, once it's toasted you cant turn it back to regular bread
