Why have tomatoes been genetically modified?
A) to improve absorption of vitamins in the human body
B) to grow rapidly before temperatures fall below freezing
C) to kill insect pests on contact
D) to have a longer shelf life in grocery stores
D
You might also like to view...
A branched network of hyphae formed by the Actinomycetes is called a ________.
Fill in the blank(s) with the appropriate word(s).
Gene ________ refers to the combined processes of transcription and translation.
A. replication B. regulation C. modification D. expression
Enzymes can have both active and regulatory sites. What is the purpose of these sites?
A.) the binding of CTP at a regulatory site on the protein causes decreased production of carbamoyl aspartate B.) the binding of CTP at a regulatory site on the protein causes increased production of carbamyl aspartate C.) the binding of CTP at the active site on the protein causes decreased production of carbamoyl aspartate D.) the binding of CTP at the active site on the protein causes increased production of carbamoyl aspartate
Which of the following mechanisms helps keep the stomach lining in place despite the destructive force of gastric juice?
A) digestion of protein by pepsin B) secretion of acid-neutralizing compounds C) generation through mitosis of new cells to replace the stomach lining D) protection of the cells of the stomach-lining by parietal cells