#Question id: 4601
#Unit 11. Evolution and Behavior
DDT was once considered a "silver bullet" that would permanently eradicate insect pests. Instead, DDT is largely useless against many insects. Which of these would have prevented this evolution of DDT resistance in insect pests?
#Question id: 33279
#Unit 2. Cellular Organization
#Question id: 8936
#Unit 9. Diversity of Life Forms
#Question id: 2856
#Unit 2. Cellular Organization
Match the lac genes with their enzymes & functions;
lac genes |
Enzyme |
Functions |
lacZ |
b-galactosidase |
which rids the cell of toxic thiogalactosides that also get transported in by lacY. |
lacY |
thiogalactoside transacetylase |
which cleaves the sugar lactose into galactose and glucose, both of which are used by the cell as energy sources |
lacA |
lactose permease |
a protein that inserts into the cell membrane and transports lactose into the cell |
#Question id: 969
#Unit 1. Molecules and their Interaction Relevant to Biology
In mammals, most amino acids undergo deamination in the ________.