TLS Online TPP Program

#Question id: 27399


Which of the following is the structural parent of all sphingolipids.

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. Ganglioside
  2. Sphingomyelin
  3. Glucosyl cerebroside
  4. Ceramide
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TLS Online TPP Program

#Question id: 14924

#Unit 8. Inheritance Biology

Which is NOT a characteristic that made peas useful as a model system for Mendel's studies?

TLS Online TPP Program

#Question id: 13186

#Unit 10. Ecological Principles

The following figure is a model of seedling establishment as a function of distance from a parent tree. Initial seed density measures the number of seeds falling to the ground. Seed survivorship measures the proportion of seeds that survive to the adult stage at each distance

This model predicts that recruitment of new individuals into the population should be

TLS Online TPP Program

#Question id: 11204

#Unit 7. System Physiology – Animal

Why do Na+ ions enter the cell when voltage-gated Na+ channels are opened in neurons?

TLS Online TPP Program

#Question id: 28354

#Unit 5. Developmental Biology

The following statements were made regarding the patterning of anterior-posterior body plan of Drosophila:

A. Mutant bicoid mRNA that leads to the deletion of head and thorax

B. bicoid mutant phenotype expressed  two telson phenotype

C. the Bicoid protein activates the zygotic expression of the hunchback gene

D. the bicoid mRNA is represses the hunchback mRNA

Which one of the following options represents all correct statements as made above?

TLS Online TPP Program

#Question id: 15561

#Unit 12. Applied Biology

Which mechanism is helpful in secondary metabolite production
1. ppGpp secretion
2. Autoinducer
3. Nutrient limitation
4. Senescence genes
Which combination is incorrect  from the following.