TLS Online TPP Program

#Question id: 5206


A microarray known as a GeneChip, with most now known human protein coding sequences, has recently been developed to aid in the study of human cancer by first comparing twothree subsets of cancer subtypes. What kind of information might be gleaned from this GeneChip to aid in cancer prevention?

#SCPH28 | Zoology
  1. information about whether or not a patient has this type of cancer prior to treatment.

  2. evidence that might suggest how best to treat a personʹs cancer with chemotherapy.

  3. data that could alert patients to what kind of cancer they were likely to acquire.

  4. information about which parent might have provided a patient with cancer-causing genes.

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TLS Online TPP Program

#Question id: 5062

#SCPH01 Biochemistry

Which of the signaling pathway is represent in this figure?

TLS Online TPP Program

#Question id: 10391

#SCPH05 I Biotechnology

Several of the structural domains in phytochrome, the N-terminal half of phytochrome contains;

TLS Online TPP Program

#Question id: 2601

#SCPH01 Biochemistry

Condition of basal level transcription (BLT);

TLS Online TPP Program

#Question id: 15152

#SCPH01 Biochemistry

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 dominant mutations in both genes, determine the phenotype of the F1 progeny and the expected phenotypic ratio of red to white eyed insects in the F2.

TLS Online TPP Program

#Question id: 22946

#SCPH06 I Botany

FLOWERING LOCUS C (Floral repressor) that is expressed in Leaves and apex, belongs to which, transcription factor family