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TLS Online TPP Program

#Question id: 3631

Six different mutations 1 to 6, from the following results of functional allelism tests whereby the mutants were crossed with each other, determine location of mutant gene.

#SCPH01 Biochemistry

  1. There are three linkage groups, mutations 1 and 4 represent one linkage group, 2 and 5 represent second linkage group, and 5 and 3 represents third linkage group

  2. There are three linkage groups, mutations 1 and 3 represent one linkage group, 2 and 5 represent second linkage group, and 5 and 4 represents third linkage group

  3. There are three non-allelic genes, mutations 1 and 4 represent one gene, 2 and 5 represent second gene, and 5 and 3 represents third gene

  4. There are three non-allelic genes, mutations 1 and 5 represent one gene, 2 and 4 represent second gene, and 5 and 3 represents third gene

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TLS Online TPP Program

#Question id: 374

#SCPH01 Biochemistry

The pH of a sample of blood is 7.4, while gastric juice is pH 1.4.  The blood sample has:
TLS Online TPP Program

#Question id: 27142

#SCPH01 Biochemistry

Calculate the percentage sequence identity for the pairwise alignment given below:
TLS Online TPP Program

#Question id: 4343

#SCPH06 I Botany

Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome. If a researcher moves the repressor gene (lacI), along with its promoter, to a position at some several thousand base pairs away from its normal position, which of the following results would be expected?
TLS Online TPP Program

#Question id: 4957

#SCPH06 I Botany

How many half-lives should have elapsed if 6.25% of the parent isotope remains in a fossil at the time of analysis?
TLS Online TPP Program

#Question id: 3660

#SCPH28 | Zoology

Which of the following is true for exchange of homologous regions between two DNA molecules?