Antigen-presenting cells (APCs) present fragments of cells so they can be recognized by ________
A) inteferon
B) T cells
C) macrophages
D) antigens
E) histamine
C
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Select all that describe a necrotic tissue.
A. Inflammation is likely present. B. The cells are undergoing mitosis. C. The cells are undergoing a clean, organized, programmed cell death. D. The cells are irreversibly damaged.
What would detect a tiny insect crawling across your skin?
A. Myoepithelial cells B. Hair receptors C. Piloerector muscles D. Dendritic cells E. Keratinocytes
Which of the following is a characteristic of double-stranded DNA?
2 nanometers in width 10 bases of length per turn 0.34 nanometers per base pair 2 nanometers in width and 10 base pairs per turn 2 nanometers in width, 10 bases of length per turn, and 0.34 nanometers per base pair
Sucrose is formed when the simple sugars fructose and glucose are covalently bonded. This reaction releases water. What type of reaction is this?
A. monomeric B. hydrolysis C. catabolic D. dehydration