The ovaries perform the dual function of producing ova (oogenesis) and secreting the female sex hormones, estrogen and progesterone
a. True
b. False
Indicate whether the statement is true or false
True
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Select the correct statement about active and passive immunity
A) Active and passive humoral immunity are both mechanisms of adaptive immunity that use antibodies. B) Immunological memory is established by passive immunization. C) The antibodies utilized in active immunity are acquired from another organism. D) A vaccination is an example of the introduction of passive immunity into the body.
A malignant growth of epithelial tissue is a/an:______________________
Fill in the blank(s) with correct word
The group of lymphoid stem cells that migrates to the thymus and divides repeatedly produces which type(s) of lymphocytes?
A) B cells B) T cells C) NK cells D) T cells and B cells E) B cells and NK cells
The nodes of Ranvier are formed by the open patches of axon when oligodendrocytes wrap themselves "jelly roll fashion" around the axon
Indicate whether the statement is true or false