Long Exam # 1 - Fertilization Flashcards
(17 cards)
This sexual reproduction is through the way of cloning
Asexual
This sexual reproduction is the union of sperm and egg whether internal or external
Sexual
Ex vivo is the fertilization where?
External
In vivo is the fertilization where?
Internal
True or False: Amniotes have their own yolk
True
What are the four major events in fertilization?
- Contact and recognition between Female and Male
- Regulation of Male entry to the Female
- Fusion of the genetic material of Male and Female
- Activation of Female metabolism to start development
What is the outermost region of the egg cell that is first contacted with the sperm and is broken through by the acrosome?
Zona Pellucida
This liquid surrounds the egg cell (specifically the corona radiata) that is broken down by the acrosome of the sperm to reach the zona pellucida
Hyaluronic acid
This is released by the sperm, specifically the acrosome of the sperm, after it has reached the oocyte, by digesting hyaluronan in the corona radiata and enabling the binding with the zona pellucida
Hyaluronidase
What is the flagellum?
Tail for motor purposes
This part of the sperm eats the membrane of the egg cell
Acrosome/Acrosome cap
These proteins are found within the jelly coat of the egg cell
Sperm binding proteins
What is the purpose of the sperm binding proteins?
Pulls actin of the sperm fusing the plasma membrane of sperm and the egg
What happens after the binding of the sperm to the egg cell?
Cortex granules burst to make the perivitelline base removes the receptors and hardens the egg cell/jelly coat
What is the perivitelline base?
Structure in between the vitelline and cytoplasm
What is the function of the Fertilization envelope?
Prevents other sperms from entering the egg cell
What do you call the chemicals that will harm the zygote?
Teratogenic
