TLS Online TPP Program

#Question id: 3292


Which of the following is correct observation?

#Section 3: Genetics, Cellular and Molecular Biology
  1. Niche partitioning allows for selection of differential patterns of resource usage, which can drive speciation

  2. This narrowing of phenotypes causes a reduction in genetic diversity in a population

  3. Extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype

  4. The phenotypes grade become wide and caused increases the genetic diversity in a population

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TLS Online TPP Program

#Question id: 2510

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following cytoskeletal components is not found in all eukaryotic cells?

TLS Online TPP Program

#Question id: 2527

#Section 3: Genetics, Cellular and Molecular Biology

Transpirational water flow in the xylem requires a mechanically strong wall that resists from,

TLS Online TPP Program

#Question id: 2531

#Section 3: Genetics, Cellular and Molecular Biology

The specific linkages between sugar rings, including the specific carbons that are linked together and the configuration of the linkage, are important for the properties of the polysaccharide;

 I) Amylose                             a)β(1,3)-linkages                                  

 II) Cellulose                            b) β (1,4)-linkages

  III) Callose                             c) α(1,4)-linked

                                                 d) α (1,3)-linkages

Which of the following linkage combination is correct linkages of the polysaccharides?

TLS Online TPP Program

#Question id: 2539

#Section 3: Genetics, Cellular and Molecular Biology

Which structure is common to plant and animal cells?

TLS Online TPP Program

#Question id: 2604

#Section 3: Genetics, Cellular and Molecular Biology

Best inducer of the lac operon;

TLS Online TPP Program

#Question id: 2608

#Section 3: Genetics, Cellular and Molecular Biology

Which amino acid is involved in last step;