In thyroid autoimmunity, an antibody causing type V hypersensitivity may be present and is directed against:

TLS Online TPP Program

#Question id: 28299

#Unit 5. Developmental Biology

Mammalian fertilization occurs

TLS Online TPP Program

#Question id: 28300

#Unit 5. Developmental Biology

Translocation of sperm from the vagina to the oviduct involves several processes except;

TLS Online TPP Program

#Question id: 28301

#Unit 5. Developmental Biology

 Sperm rheotaxis in case of mammal involve migration against the direction of flow by using sensing mechanism. which of the following is correct monitoring the direction of the current?

TLS Online TPP Program

#Question id: 28302

#Unit 5. Developmental Biology

 Which of the following process by which mammalian sperm become capable of fertilizing an egg or gaining capacity? 

TLS Online TPP Program

#Question id: 28303

#Unit 5. Developmental Biology

Capacities of the sperm gain after capacitation involve__

a) CatSper calcium channels to sense calcium influx and monitor the direction of the current

b) recognizing the cues that will guide them to the egg

c) undergoing the acrosome reaction

d) fusing with the egg cell membrane

TLS Online TPP Program

#Question id: 28304

#Unit 5. Developmental Biology

During capacitation, sperm reaches the ampulla, acquire competence but they lose it if they stay around too long is represented that capacitation is___