Practice Questions

TLS Online TPP Program

#Question id: 1104

Which of the following statements is true of signal molecules?

#Unit 4. Cell Communication and Cell Signaling

When signal molecules first bind to receptor tyrosine kinases, the receptors phosphorylate a number of nearby molecules.
In response to some G protein-mediated signals, a special type of lipid molecule associated with the plasma membrane is cleaved to form IP3 and calcium.
In most cases, signal molecules interact with the cell at the plasma membrane, enter the cell, and eventually enter the nucleus.
Protein kinase A activation is one possible result of signal molecules binding to G protein coupled receptors.

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TLS Online TPP Program

#Question id: 23375

#General Aptitude

Press Council of India is located at:

TLS Online TPP Program

#Question id: 16105

#Unit 7. System Physiology – Animal

Which of the following is a human thermoregulatory response controlled by cholinergic sympathetic nerves?

TLS Online TPP Program

#Question id: 10706

#Unit 10. Ecological Principles

Assuming community occupy by 4 species with number 10, 20, 10, 20. What is Shannon weaver index of that community?

TLS Online TPP Program

#Question id: 11575

#Unit 7. System Physiology – Animal

Fight-or-flight reactions include activation of the ________.

TLS Online TPP Program

#Question id: 19879

#Unit 13. Methods in Biology

Which of the following enzyme is used to cut DNA molecules in rDNA technology