They say how an enzyme perfectly fits into its substrate is alike a "lock and key".
Only one specific enzyme can fit a specific substrate.
Answer:
DNA
Explanation:
The Roles of DNA, Genes, Alleles, and Chromosomes in Inheritance. Explain that the information passed from parents to offspring is transmitted by means of genes which are coded in DNA molecules. Explain the basic process of DNA replication.
2.5g
10÷2=5
5÷2=2.5
everytime it completes a half life, you divide the number by two