#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 __________.
#Question id: 13052
#SCPH05 I Biotechnology
#Question id: 4736
#SCPH12 I Genetics
A snapdragon plant that bred true for white petals was crossed to a plant that bred true for purple petals, and all the F1 had white petals. The F1 was selfed. Among the F2, three phenotypes were observed in the following numbers
white 240
solid-purple 61
spotted-purple 19
Total 320
Which of the following reason to deviation f2 phenotype ratio ?
#Question id: 4563
#SCPH28 | Zoology
If ʺxʺ indicates the location of fossils of two closely related species, then fossils of their most-recent common ancestor are most likely to occur in which stratum?
#Question id: 5070
#SCPH01 Biochemistry
During juxtacrine pathway, notch protein is activated by the neighbouring cells which expresses: