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TLS Online TPP Program

#Question id: 11763

What makes certain red algae appear red?

#Unit 9. Diversity of Life Forms
  1. They live in warm coastal waters.
  2. They possess pigments that reflect and transmit red light.
  3. They use red light for photosynthesis.
  4. They lack chlorophyll.
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TLS Online TPP Program

#Question id: 683

#Unit 1. Molecules and their Interaction Relevant to Biology

Which factor does not help to explain why many proteins exhibit quaternary structure?
TLS Online TPP Program

#Question id: 27943

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following reaction is catalyzes by enolase during Glycolysis
TLS Online TPP Program

#Question id: 4422

#Unit 3. Fundamental Processes

Packaging of concatemeric lambda DNA into phage heads involves cleavage of the DNA at which of the following sites?
TLS Online TPP Program

#Question id: 12375

#Unit 10. Ecological Principles

When lichens grow on bare rock, they may eventually accumulate enough organic material around them to supply the foothold for later rooted vegetation. These early pioneering lichens can be said to do what to the later arrivals?
TLS Online TPP Program

#Question id: 4770

#Unit 8. Inheritance Biology

When two independent pure lines of pea with white flowers are crossed, the F1 progeny has purple flowers. The F2 progeny obtained on selfing shows both pruple and white flower in a ratio of 15:1. The following conclusions were made

A. Two different genes are involved, mutation in which lead to formation of white flower.

B. These two genes does not show independent assortment

C. This is an example of complementary gene action

D. The is an example of duplicate genes

Which of the following conclusions are correct?