Members of the Poaceae family, which includes all of the cereal crops, use benzoxazinoids, these alkaloids shows;

a) Alkaloids are derived from the tryptophan as constitutively produced defensive secondary metabolites

b) These benzoxazinoids such as DIBOA and its derivative DIMBOA are usually stored in the peroxisome

c) Upon damage, the inactive glycosides are hydrolyzed, generating glucosinolate, which are toxic not only to insect herbivores but also against pathogens

d) DIBOA and DIMBOA perform insecticidal and pesticidal activities

e) It can be inactivated by hydroxylation and N-glycosylation reactions

Which of the following combination is correct about benzoxazinoids alkaloids?

#Question id: 28309

#Unit 5. Developmental Biology

Which of the following chemotactic factor is secreted by oocyte and its cumulus cells that involve to attract capacitated sperm toward the egg during the last stages of sperm migration?

#Question id: 28310

#Unit 5. Developmental Biology

In case of mouse cumulus cells secrete a substance that attracts sperm and hyperactivates them through CatSper channels, these substance is___ 

#Question id: 28311

#Unit 5. Developmental Biology

zona pellucida is made of glycoproteins, Which of the following zona pellucida or ZP protein is differentiating between mouse and human?  

#Question id: 28312

#Unit 5. Developmental Biology

 Mammalian egg have pathways for accepting both (heterogeneous population) types of capacitated sperm acrosome-intact sperm as well as acrosome-reacted sperm, sperm with intact acrosomes become bound to ___

#Question id: 28313

#Unit 5. Developmental Biology

During acrosome-reacted sperm pathway sperm that have undergone the acrosome reaction bind directly to which of the glycoprotein?

#Question id: 28314

#Unit 5. Developmental Biology

Mammalian egg have pathways for accepting both types of capacitated sperm acrosome-intact sperm as well as acrosome-reacted sperm pathway ultimately lead to the activation of acrosomal reaction that proceed by acrosomal protein. these important acrosomal proteins are____