The ovum is big so as to allow the sperm to enter inside for the fusion to take place and it does not move because its does not have a tail like a sperm.
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The ovum is bigger than sperm because it contains nutrients and organelles needed to support early embryonic development. It does not move due to its size and structure, as well as the surrounding cells and reproductive structures that help guide it toward the sperm for fertilization.
the egg will move into a position then the sperm cell will move closer]
The movement of the ovum is primarily driven by the beating cilia of the fallopian tubes, which create a current to help propel the ovum towards the uterus. In addition, muscular contractions of the fallopian tubes help to move the ovum along its journey.
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No, an ovum is a mature female reproductive cell, also known as an egg cell, while an oviduct is the tube through which the ovum travels from the ovary to the uterus. The oviduct is where fertilization of the ovum typically occurs.
The plasma membrane of the ovum controls what goes in and out of the ovum. The Zona Pellucida also known as the jelly coat is responsible for the binding of the sperm during fertilization. The outermost layer called the corona radiata provides the ovum with essential proteins and protects the ovum as it travels down through the fallopian tubes.