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TLS Online TPP Program

#Question id: 1094

Not all intercellular signals require transduction. Which one of the following signals would be processed without transduction?

#Unit 4. Cell Communication and Cell Signaling

  1. a lipid-soluble signal

  2. a signal that is weakly bound to a nucleotide

  3. a signal that binds to a receptor in the cell membrane

  4. a signal that binds to the extracellular matrix

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TLS Online TPP Program

#Question id: 19375

#Unit 12. Applied Biology

In case of certain endogenous pathways, the activity of a specific enzyme may be rate limiting for the pathway. What could be done to enhance the productivity of the pathway? 
TLS Online TPP Program

#Question id: 19232

#Unit 12. Applied Biology

Which method has also been used to deliver genes into chloroplasts and mitochondria, thereby opening up the possibility of introducing exogenous (foreign) genes into these organelles is
TLS Online TPP Program

#Question id: 10561

#Unit 6. System Physiology – Plant

Integral membrane proteins that form water-selective channels across the membrane, Because water diffuses faster through such channels than through a lipid bilayer
TLS Online TPP Program

#Question id: 5836

#Unit 8. Inheritance Biology

Nonreciprocal recombination, or ___, results from DNA repair synthesis that occurs during the recombination process.
TLS Online TPP Program

#Question id: 600

#Unit 1. Molecules and their Interaction Relevant to Biology

Two substances are used to produce a certain biological product in an enzyme-catalyzed reaction. It is found that both substrates must bind to the enzyme, first one, then the other before the product is produced. This is an example of a/an ________.