Examlex
Listed below are three rankings of atoms or ions in order of increasing ionization energy. Pick the correct answer.
I. B
II. C
III. Al
Gastrula
A three-layered embryo formed by the process of gastrulation.
Acrosomal Net
A structure in certain sperm cells, derived from the acrosome, that plays a role in fertilization by penetrating the egg's outer layers.
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.
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