| A | B |
|---|
| DNA replication | DNA, unlike any other chemical compound, can make exact copies of itself by a process known as _____________. |
| Codon | This code is present in mRNA molecules and is three bases long |
| Nucleotide | The "building blocks" of DNA molecules |
| Transcription | DNA is copied into RNA by a process called _______________. |
| Anticodon | Contains a triplet of nucleotides called an ________________. |
| thymine | In DNA & RNA combines with adenine |
| Adenine | In DNA & RNA combines with thymine |
| Cytosine | In DNA & RNA combines with guanine |
| Guanine | In DNA & RNA combines with cytosine |
| Uracil | In RNA combines with adenine |
| mRNA | The anticodon of tRNA matches the codon of _____________. |
| Cell differentiation | Creating the special types of cells through controlled gene expression is called __________________________. |
| Biotechnology | The application of technology to biological science. |
| Genetic Engineering | Is a new technology that humans use to alter the genetic instructions in organisms. |
| Selective Breeding | A process that produces domestic animals and new varieties of plants with traits that are particularly desirable. |
| Plasmids | Are small DNA fragments, are known from almost all bacterial cells. |
| Gene Splicing | Allows a scientist to make cuts of DNA from 2 complimentary different organisms, perhaps a frog cell and a bacterium. |
| Recombinant DNA | Allow scientists to insert the insulin gene into bacterial plasmids. |
| Cloning | Is a technique that accomplishes the same end result as asexual reproduction. |
| DNA & protein | By the early 1920’s, scientists knew that chromosomes were made up of two substances:_______________. |
