TLS Online TPP Program

#Question id: 1107


Viagra causes dilation of blood vessels and increased blood flow to the penis, facilitating erection. Viagra acts by inhibiting which of the following events?

#Unit 4. Cell Communication and Cell Signaling
  1. hydrolysis of cGMP to GMP

  2. hydrolysis of GTP to GDP

  3. dephosphorylation of cGMP

  4. formation of cGMP from GTP

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TLS Online TPP Program

#Question id: 23643

#General Aptitude

A straight line is 36 cm long. the points are to be marked on the line from both the ends so that the first point be at a distance of 1 cm from one end, the second point be at a distance of 2 cm from the first point and the third point be at a distance of 3 cm from the second point and so on. If the points on the ends are not counted and the common points are counted as one, what is number of points?

TLS Online TPP Program

#Question id: 11005

#Unit 7. System Physiology – Animal

Which of the following phases of the cardiac cycle follows immediately after the beginning of the QRS wave?

TLS Online TPP Program

#Question id: 22964

#Unit 7. System Physiology – Animal

The receptor for PTH is coupled, via a 

TLS Online TPP Program

#Question id: 10467

#Unit 6. System Physiology – Plant

The COP1-SPA complex acts as a positive regulator as well as acts as negative regulator  by shown in statements;

a) Act as negative regulator−that targets transcription factors for degradation during phytochrome and cryptochrome responses

b) Acts as a positive regulator−that targets transcription factors for degradation during phytochrome and cryptochrome responses

c) Acts as a negative regulator− during UV-B signaling by interacting with the C-terminal region of UVR8 in the nucleus UVR8- COP1-SPA complex then activates the major transcription factor HY5, which controls the expression of many of the genes induced by UV-B

d) Acts as a positive regulator during UV-B signaling by interacting with the C-terminal region of UVR8 in the nucleus UVR8- COP1-SPA complex then activates the major transcription factor HY5, which controls the expression of many of the genes induced by UV-B

Whichof the following combination from avbove statements of UVR8 is true?

TLS Online TPP Program

#Question id: 9209

#Unit 9. Diversity of Life Forms

Introduced species can have deleterious effects on biological communities by ________.