TLS Online TPP Program

#Question id: 1593


Which of the following results in long-term immunity?

#Section 2: General Biology
  1. the passage of maternal antibodies to a developing fetus

  2. the inflammatory response to a splinter

  3. the administration of serum obtained from people immune to rabies

  4. the administration of the chicken pox vaccine

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TLS Online TPP Program

#Question id: 10795

#Section 6: Plant, Animal and Microbial Biotechnology

basic carbon skeleton of a flavonoid contains 15 carbons arranged in two aromatic rings connected by a three-carbon bridge. This structure results from two separate biosynthetic pathways:

TLS Online TPP Program

#Question id: 4813

#Section 3: Genetics, Cellular and Molecular Biology

You perform the three different two-factor crosses (Cross 1: XY and xy, Cross 2: YZ and yz, and Cross 3: XZ and xz). Assume all crosses are between diploid flies homozygous for the alleles of these genes. You observe 7% recombinants in the first cross, 20% recombinants in the second cross, and 13% recombinants in the third cross. if cross between XyZ and xYz leads to which of the followining recombinant with double cross over .

TLS Online TPP Program

#Question id: 14745

#Section 5: Bioprocess Engineering and Process Biotechnology

heat exchanger, one transfer unit means 

TLS Online TPP Program

#Question id: 12934

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Reverse transcriptase enzyme is isolated from____

TLS Online TPP Program

#Question id: 3580

#Section 3: Genetics, Cellular and Molecular Biology

Different genetic cross regarding two independently assorting non allelic gene with complete dominance and their phenotypic ratio showed in a following. Which of the following is incorrect combination? 

Genetic cross

Phenotype ratio

1

AABb X AaBb

3:1

2

Aabb X  AaBb   

3:1:3:1

3

AABb X AaBB   

1:1 

4

Aabb X aaBb   

1:1:1:1