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TLS Online TPP Program

#Question id: 4625

During a study session about evolution, one of your fellow students remarks, ʺThe giraffe stretched its neck while reaching for higher leaves; its offspring inherited longer necks as a result.ʺ Which statement is most likely to be helpful in correcting this studentʹs misconception?

#Unit 11. Evolution and Behavior

  1. Characteristics acquired during an organismʹs life are generally not passed on through genes.

  2. Spontaneous mutations can result in the appearance of new traits.

  3. Only favorable adaptations have survival value.

  4. Disuse of an organ may lead to its eventual disappearance.

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TLS Online TPP Program

#Question id: 3968

#Unit 3. Fundamental Processes

Which of the following statements is true?
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.
TLS Online TPP Program

#Question id: 15855

#Unit 5. Developmental Biology

In which drosophila developmental stage early promoter becomes active and the Sxl gene is transcribed?
TLS Online TPP Program

#Question id: 28838

#Unit 2. Cellular Organization

Rapid interconversion between a growing and shrinking state, if the change from shrinkage to growth is called____
TLS Online TPP Program

#Question id: 7134

#Unit 5. Developmental Biology

What important lesson for the mechanisms of development can we derive from the ability to clone frogs by nuclear transfer?