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TLS Online TPP Program

#Question id: 22949

How CONSTANS gene and its encoded protein involved in translating day length into a signal that converts a vegetative shoot meristem into a floral meristem?

#Unit 5. Developmental Biology
  1. CONSTANS protein is degraded in the dark, but accumulates in the leaves as the days get longer.
  2. CONSTANS protein is degraded in the light, and so accumulates in the leaves as the days get shorter.
  3. Peak expression of CONSTANS occurs at mid-morning.
  4. The CONSTANS gene regulates the circadian clock.
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TLS Online TPP Program

#Question id: 14486

#Unit 13. Methods in Biology

There are two bags, one of which contains 5 red and 7 white balls and the other 3 red and 12 white balls. A ball is to be drawn from one or other of the two bags, find the chance of drawing a red ball.
TLS Online TPP Program

#Question id: 11940

#Unit 7. System Physiology – Animal

Which of the following is filtered most readily by the glomerular capillaries?
TLS Online TPP Program

#Question id: 10746

#Unit 10. Ecological Principles

The difference between an edge and an ecotone is that an edge is ________, whereas an ecotone is ________.
TLS Online TPP Program

#Question id: 11644

#Unit 7. System Physiology – Animal

Seven days after ovulation, pituitary secretion of luteinizing hormone (LH) decreases rapidly. What is the cause of this decrease in secretion?
TLS Online TPP Program

#Question id: 425

#Unit 1. Molecules and their Interaction Relevant to Biology

Which is usually the slowest way to regulate a reaction in a metabolic pathway?