GAL80 loss-of-function mutants express the GAL1, 2, 7, 10 genes constitutively in the absence of galactose)...
Answer all questions and explain in detail. 1) GAL80 loss-of-function mutants express GAL1, 2, 7, 10, genes constitutively (in the absence of galactose) because a transcriptional activation by GAL4 is not inhibited b GAL80 is not present to block GAL4 DNA-binding c GAL80 cannot respond to GAL3 signaling d A and B e B and C 2) Gal80-; GAL4- double mutants express the GAL1, 7, 10 genes a only In the presence of galactose b only in the absence of...
GAL4 null mutants express the GAL1, 2, 7 & 10 genes A. never whether galactose is absent or present B. constitutively whether galactose is absent or present C. only when galactose is present D. only when lactose is present E. only when galactose is absent 17 58
Yet, all the cells in your body contain the same genes (and same alleles). The difference across cell types is that genes get selectively expressed (turned on or off) based on the proteins needed for cellular function given their environment. Select which statement explains the reason why hair does not normally grow on your muscle cells. a. Muscle cells have the gene for keratin, but do not express it b. Muscle cells do not have the gene for keratin and...
Question 10-12 10. During the mating process, yeast cells respond to pheromones secreted by other yeast cells. These pheromones bind GPCRs on the surface of the responding cell and lead to the activation of proteins inside the cell. When a wild-type yeast cell senses the pheromone, its physiology changes in preparation for mating: the cell stops growing until it finds a mating partner. If yeast cells do not undergo the appropriate response after sensing a pheromone, they are considered sterile....