#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: 27129
#Unit 7. System Physiology – Animal
#Question id: 4128
#Unit 3. Fundamental Processes
Which of the following statements about tRNA molecules is false?
#Question id: 10317
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 27945
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following statements is true regarding the payoff phase of glycolysis
a. Each molecule of glyceraldehyde 3-phosphate is oxidized and phosphorylated by ATP to form 1,3-bisphosphoglycerate
b. Each molecule of glyceraldehyde 3-phosphate is oxidized and phosphorylated by inorganic phosphate to form 1,3-bisphosphoglycerate
c. Oxidative phosphorylation of 3-Phosphoglycerate produces one NADH
d. Oxidative phosphorylation of glyceraldehyde 3-phosphate, produces one NADH