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#Question id: 5554


Even in the absence of sperm, metabolic activity in an egg can be artificially activated by ________.

#Unit 5. Developmental Biology
  1. abnormally high levels of carbonic acid in the cytosol

  2. abnormally low levels of extracellular oxygen

  3. injection of calcium ions into the cytosol

  4. depletion of its ATP supplies

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TLS Online TPP Program

#Question id: 15743

#Unit 5. Developmental Biology

Which of the following  hormone secretes from the developing Sertoli cells, during embryonic development, that blocks development of the female ducts?

TLS Online TPP Program

#Question id: 19042

#Unit 13. Methods in Biology

In thin layer chromatography, the stationary phase is made of _________ and the mobile phase is made of _________ 

TLS Online TPP Program

#Question id: 29532

#Unit 6. System Physiology – Plant

Perception of MAMPs or DAMPs by cell surface PRRs is called 

TLS Online TPP Program

#Question id: 9587

#Unit 6. System Physiology – Plant

The structure of the four major protein complexes in the thylakoid membrane are organised form such as ;

a.) PSII is located predominantly in the stacked regions of the thylakoid membrane and Cytochrome b6f complexes are evenly distributed

b.) PSI and ATP synthase are found in the unstacked regions protruding into the stroma

c.) Lateral separation of the two photosystems requires that electrons and protons produced by PSII be transported directly to PSI and the ATP coupling enzyme

d.) Four main protein complexes of the thylakoid membrane, shown also are the two diffusible electron carriers—plastocyanin, which is located in the thylakoid lumen, and plastohydroquinone (PQH2) in the membrane, The lumen has a positive electrical charge with respect to the stroma

Which of the following statements correct?

TLS Online TPP Program

#Question id: 575

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statements is FALSE?