Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 5390
TLS Online TPP Program

#Question id: 5652

What generalization can be applied to the pole plasm of Drosophila, the P-granules of C. elegans, the yolk-free vegetal cytoplasm of Xenopus, and the localized mRNA for vasa in zebrafish?

#Unit 5. Developmental Biology

  1. All mark the posterior end of the antero-posterior axis.

  2. All are present at fertilization in the vegetal pole of the egg.

  3. All are determinants that specify the dorso-ventral axis of the fertilized egg.

  4. All mark the special region of cytoplasm, the germplasm, that is involved in specification of germ cells.

More Questions
TLS Online TPP Program

#Question id: 14146

#Unit 1. Molecules and their Interaction Relevant to Biology

Match the following

Column A Column B 
A. Cyanide1. Inhibit cytochrome oxidase
B. Piericidin A2. Prevent electron transfer from Fe-S center to ubiquinone              
C. Antimycin A        3. Blocks electron transfer from cytochrome b to cytochrome c1
D. Valinomycin4. K+ ionophore
TLS Online TPP Program

#Question id: 14147

#Unit 3. Fundamental Processes

Activators that stimulate this kind of promoter work by triggering a conformational change in either RNA polymerase or DNA; that is, they interact with the stable closed complex and induce a conformational change that causes transition to the open complex, this is an example of
TLS Online TPP Program

#Question id: 14150

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statement is incorrect about BLOSUM?
TLS Online TPP Program

#Question id: 14474

#Unit 13. Methods in Biology

Probability of getting an even number in a single throw with a die is
TLS Online TPP Program

#Question id: 14475

#Unit 13. Methods in Biology

Probability of getting tail in a throw of a coin is
TLS Online TPP Program

#Question id: 14475

#Unit 13. Methods in Biology

Probability of getting tail in a throw of a coin is