TLS Online TPP Program

#Question id: 1086


What is the most likely mechanism by which testosterone functions inside a cell?

#SCPH01 Biochemistry
  1. It acts as a signal receptor that activates tyrosine kinases.

  2. It binds with a receptor protein that enters the nucleus and activates expression of specific genes.

  3. It acts as a steroid signal receptor that activates ion channel proteins in the plasma membrane.

  4. It coordinates a phosphorylation cascade that reduces spermatogenesis.

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TLS Online TPP Program

#Question id: 3281

#SCPH06 I Botany

One population X has 750 AA, 0 Aa, and 250 aa; the other Y has 500 AA, 500 Aa, and 0 aa. After one generation of random mating, the genotype frequencies X and Y respectively if the population size remains 1,000.

TLS Online TPP Program

#Question id: 3281

#SCPH28 | Zoology

One population X has 750 AA, 0 Aa, and 250 aa; the other Y has 500 AA, 500 Aa, and 0 aa. After one generation of random mating, the genotype frequencies X and Y respectively if the population size remains 1,000.

TLS Online TPP Program

#Question id: 3282

#SCPH06 I Botany

Natural selection results in different forms of plants which can survive in contaminated or uncontaminated soil. Type of natural selection is

TLS Online TPP Program

#Question id: 3282

#SCPH28 | Zoology

Natural selection results in different forms of plants which can survive in contaminated or uncontaminated soil. Type of natural selection is

TLS Online TPP Program

#Question id: 3283

#SCPH06 I Botany

if the forward ( p in to q) and reverse ( q in to p) mutation rates for alleles at a locus are 1×10−1 and 1×10−2 per generation, respectively and the allelic frequencies are p = 0.20 and q = 0.80. if you assuming random matting population. Which of the following observation correct?

TLS Online TPP Program

#Question id: 3283

#SCPH28 | Zoology

if the forward ( p in to q) and reverse ( q in to p) mutation rates for alleles at a locus are 1×10−1 and 1×10−2 per generation, respectively and the allelic frequencies are p = 0.20 and q = 0.80. if you assuming random matting population. Which of the following observation correct?