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#Question id: 5561


In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.

#Unit 5. Developmental Biology
  1. the acrosomal reaction and the formation of egg white

  2. the cortical reaction and the formation of yolk protein

  3. the jelly coat of the egg and the vitelline membrane

  4. membrane depolarization and the cortical reaction


Answer:- Option(s): 4


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TLS Online TPP Program

#Question id: 31310

#Unit 3. Fundamental Processes

The lentiviral expression vectors are particularly useful for introducing synthetic genes for the expression of

TLS Online TPP Program

#Question id: 31311

#Unit 3. Fundamental Processes

Expression of rRNA genes is controlled by

TLS Online TPP Program

#Question id: 31312

#Unit 3. Fundamental Processes

IRESs are RNA sequences function like 

TLS Online TPP Program

#Question id: 31313

#Unit 6. System Physiology – Plant

P680, pheophytin and plastoquinone are held together a group of proteins

TLS Online TPP Program

#Question id: 31314

#Unit 6. System Physiology – Plant

Pyruvate is precursor of which secondary metabolite biosynthetic pathway

TLS Online TPP Program

#Question id: 31315

#Unit 6. System Physiology – Plant

Match the following 


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