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TLS Online TPP Program

#Question id: 4948

RNA molecules can both carry genetic information and be catalytic. This supports the proposal that 

#Unit 11. Evolution and Behavior

  1. RNA was the first hereditary information.

  2. protobionts had an RNA membrane.

  3. RNA could make energy.

  4. free nucleotides would not have been necessary ingredients in the synthesis of new RNA molecules.

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TLS Online TPP Program

#Question id: 28304

#Unit 5. Developmental Biology

During capacitation, sperm reaches the ampulla, acquire competence but they lose it if they stay around too long is represented that capacitation is___
TLS Online TPP Program

#Question id: 12274

#Unit 7. System Physiology – Animal

Before intercourse, a woman irrigates her vagina with a solution that lowers the pH of the vaginal fluid to 4.5. What will be the effect on sperm cells in the vagina?
TLS Online TPP Program

#Question id: 11065

#Unit 7. System Physiology – Animal

A liquid-ventilated lung compared to a gas-ventilated lung
TLS Online TPP Program

#Question id: 5164

#General Aptitude

When define a function f(N) = sum of digits of N , expressed as decimal number. E.g. F(137) = 1 + 3 + 7 = 11 : Evaluate f(2^7 3^5 5^6) .
TLS Online TPP Program

#Question id: 4240

#Unit 3. Fundamental Processes

Use the figure to answer the question. The figure represents tRNA that recognizes and binds a particular amino acid (in this instance, phenylalanine). Which codon on the mRNA strand codes for this amino acid?