Cytotoxic T cells, as well as NK cells, destroy a targeted cell by releasing __________ molecules, which penetrate the target cell's surface membrane and join to form pore-like channels

Fill in the blank(s) with correct word


perforin

Anatomy & Physiology

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Reddened skin reflects

A. inheriting extra melanin. B. eating too many carrots. C. constricted blood vessels with more blood entering the epidermis. D. dilated blood vessels with more blood entering the dermis.

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Both thrombocytes and platelets are living cells but they are found in different organisms

Indicate whether the statement is true or false

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The motor division is also called the ________ system; the sensory division is also called the ________ system.

A. afferent; efferent B. efferent; afferent

Anatomy & Physiology

Which of the following statements concerning the uterine tube is true?

A. Fimbria are associated with the lining of the tube. B. The opening of the uterine tube is the mesosalpinx. C. The portion of the uterine tube closest to the uterus is the infundibulum. D. The outer layer of the tube is formed by the ampulla. E. The oocyte is moved along the tube by peristaltic contractions of the muscular layer.

Anatomy & Physiology