#Question id: 5838
#Unit 8. Inheritance Biology
In the Holliday model describing recombination
#Question id: 4142
#Unit 3. Fundamental Processes
The large structure consisting of a mRNA molecule being translated by multiple copies of the macromolecular complexes that carry out protein synthesis is called a:
#Question id: 7019
#Unit 5. Developmental Biology
During primary sex determination in mammals, the bipotential gonad is moved into the female pathway (ovary development) by the Wnt4 and Rspo1 genes, which promote accumulation of:
#Question id: 2864
#Unit 2. Cellular Organization
In E. coli, the five contiguoustrp genes encode enzymes that sythesize the amino acid tryptophan. These genes are expressed efficiently only when tryptophan is limiting. The genes are controlled by a repressor, just as the lac genes are, although in this case, it is the absence of its ligand (tryptophan) that relieves repression, match trp genes to their gene product,
|
Trp genes |
Gene products |
|
trpE |
anthranilate
synthetase |
|
trpD |
phosphoribosyl
anthranilate transferase |
|
trpC |
phosphoribosyl
anthranilate isomerase-indole glycerol phosphate synthetase |
|
trpB |
tryptophan
synthetase beta |
|
trpA |
tryptophan
synthetase alpha |
#Question id: 20299
#Unit 7. System Physiology – Animal