TLS Online TPP Program

#Question id: 12783


Which of these ecosystems accounts for the largest amount of Earth's net primary productivity? 

#Unit 10. Ecological Principles
  1. Tundra 
  2. Savanna
  3. Salt marsh 
  4. Open ocean
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TLS Online TPP Program

#Question id: 3560

#Unit 8. Inheritance Biology

During which phase of meiosis does the segregation described by Mendel primarily occur?

TLS Online TPP Program

#Question id: 29576

#Unit 6. System Physiology – Plant

…a…..is a TAL effector of the rice pathogen Xanthomonas oryzae, activates expression of the rice gene ….b….. allowing Xanthomonas to colonize rice plants 

TLS Online TPP Program

#Question id: 26857

#Unit 10. Ecological Principles

Calculate the efficiency of GPP, if the energy of incident light is 1000 J but Energy fixed by GPP is 100 J ?

TLS Online TPP Program

#Question id: 4928

#Unit 8. Inheritance Biology

A certain kind of snail can have a right-handed direction of shell coiling (D) or left handed coiling (d). If direction of coiling is due to a protein deposited by the mother in the egg cytoplasm, then a Dd egg-producing snail and a dd sperm-producing snail will have offspring of which genotype(s) and phenotype(s)?

TLS Online TPP Program

#Question id: 13145

#Unit 8. Inheritance Biology

We can construct a genetic map by considering the recombination frequencies for each pair of genes. The recombination frequency between a and b is 50%, a and c is 50%, and b and c is 20%. What will be the correct prediction about this statements;
a)  Recombination frequency between genes a and b and gene a and c is expected with independent assortment
b) The genes a and b and gene a and c may either be on different chromosomes or be very far apart on the same chromosome;  so we will place them in different linkage groups
c) The gene b and c are linked
d) The gene b and c are unlinked
Which of the following is the correct sequence?