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#Question id: 2668
#SCPH06 I Botany
The toxic shock syndrome toxin is produced by some Salmonella species when there is not sufficient iron present. When iron is present, it prevents transcription of the TSS-toxin gene. Iron therefore serves as __________.
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#Question id: 15149
#SCPH12 I Genetics
In this problem we will explore some of the many ways that mutations in two different genes can interact to produce different Mendelian ratios. Consider a hypothetical insect species that has red eyes. Imagine mutations in two different unlinked genes that can, in certain combinations, block the formation of red eye pigment yielding mutants with white eyes. In principle, there are two different possible arrangements for two biochemical steps responsible for the formation of red eye pigment. The two genes might act in series such that a mutation in either gene would block the formation of red pigment. Alternatively, the two genes could act in parallel such that mutations in both genes would be required to block the formation of red pigment.
Further complexity arises from the possibility that mutations in either gene that lead to a block in enzymatic activity could be either dominant or recessive. If the crosses is made between a wild type insect with red eyes and a true breeding white eyed strain with mutations in both genes. Such considerations yield the Pathways in series with recessive mutations in both genes, what will be the phenotype in F1 progeny?
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#Question id: 2998
#I Life Science/ Life Sciences Group – I-V
Which of the following statement are correct?
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#Question id: 12925
#SCPH05 I Biotechnology
Another name of TaqMan assay is ____
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#Question id: 450
#SCPH06 I Botany
The DG'° values for the two reactions shown below are given.
Oxaloacetate + acetyl-CoA + H2O -> citrate + CoASH DG'° = –32.2 kJ/mol
Oxaloacetate + acetate -> citrate DG'° = –1.9 kJ/mol
What is the DG'° for the hydrolysis of acetyl-CoA?
Acetyl-CoA + H2O -> acetate + CoASH + H+