Capacitation refers to changes in the
ovum after fertilisation
sperm after fertilisation
sperm before fertilisation
ovum before fertilisation.
In the embryonic development of chordate the animal pole forms one of the following of the adult
The mammary glands are paired structures that contain the glandular tissue and variable amount of fat. The correct sequence of tissues involved in synthesis and flow of milk are
Which one of the following events immediately follows the entry of a spermatozoan into an oocyte
Extra embryonic membrane amnion is not found in amphibians because
Which extraembryonic membrane in humans prevents desiccation of the embryo inside the uterus?