Examlex
How many molecules of ATP are produced during a single turn of the β-oxidation cycle?
Fertilization Cone
A structure formed at the tip of a sperm cell or pollen tube that facilitates the fusion of the male gamete with the female gamete.
Polyspermy Barrier
A physiological and cellular mechanism in eggs to prevent fertilization by more than one sperm, ensuring normal development.
Zygote
The initial cell formed when two gamete cells are joined by means of sexual reproduction, possessing genetic material from both parents.
Cleavage
The process of cell division in the early embryo, leading to the formation of a multicellular structure.
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