Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 11796
TLS Online TPP Program

#Question id: 9599

The primary donor of PSI, P700, is a dimer of chlorophyll a molecules, in primary donor chlorophyll, additional chlorophylls molecules such as

#Section 2: General Biology
  1. Carotenoids, Pheophytins, and Plastoquinones are bound to the membrane proteins D1 and D2, Which are found in the core of the reaction center
  2. Carotenoids, Pheophytins, and Plastoquinones are bound to the membrane proteins D1 and D2, Which are present on the surface of the reaction center
  3. iron–sulfur proteins,  ferredoxin (Fd), flavoprotein ferredoxin–NADP+ reductase (FNR) are bound to the membrane proteins D1 and D2
  4. D1 and D2 proteins are found in the core of the reaction centre and are the part of photosystem I 
More Questions
TLS Online TPP Program

#Question id: 3338

#Section 3: Genetics, Cellular and Molecular Biology

If the expected frequency of heterozygotes in a population (based on the Hardy–Weinberg law) is 0.4, but the observed frequency is 0.2, what is the inbreeding coefficient?
TLS Online TPP Program

#Question id: 3339

#Section 3: Genetics, Cellular and Molecular Biology

In a plant species, flower color locus either homozygous or heterozygous with genotype RR-red, Rr- pink and rr- white. The Proportional of pink flower in generation 0 is .50.  What is the level of remaining pink flower in a third generation of repeated selfing? 
TLS Online TPP Program

#Question id: 3340

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statements is NOT correct regarding effect of genetic drift?
TLS Online TPP Program

#Question id: 3341

#Section 3: Genetics, Cellular and Molecular Biology

In a given population of 400 individuals, 64 percent of population is caused  cancer due to completely dominat allele B. Assuming the population is in Hardy- Weinberg equilibrium, which of the following is the expected proportion of individuals who are not expected to develop the cancer?
TLS Online TPP Program

#Question id: 3342

#Section 3: Genetics, Cellular and Molecular Biology

Neutral alleles are those that do not alter fitness and average reproductive success does not differ between individuals that carry one neutral allele or the other. The frequencies of these neutral alleles may change in a population by
TLS Online TPP Program

#Question id: 3343

#Section 3: Genetics, Cellular and Molecular Biology

Following genotype frequency as hardy Weinberg genetic equilibrium in figure. What is the frequency of A1 and A2 allele?