The first meiotic division of a primary oocyte occurs within a mature follicle just prior to ovulation
Indicate whether the statement is true or false
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Which structure is the site of sperm production?
a) Vas deferens b) Seminiferous tubules c) Albuginea d) Epididymis e) Raphe
Using Figure 19.1, match the following:
1) Axillary node(s).
2) Cisterna chyli.
3) Entrance of thoracic duct into subclavian vein.
4) Thoracic duct.
5) Lymphatic collecting vessels.
What process occurs as the zygote travels towards the uterus in the fallopian tubes?
A. Polyspermy B. Fertilization C. Cleavage D. Capacitation
Opsonization involves
A. marking a target for phagocytosis, and it is facilitated by interaction of the Fc region of the antibody with a phagocyte. B. activation of NK cells, and it is a function of the antigen-binding site of the antibody. C. cross-linking several antigens together so that they are no longer soluble, and it is facilitated by the Fc region of the antibody. D. fixation of antibodies in the IgG and IgM classes, and it involves the antigen-binding site of the antibody.