Cytotoxic T cells can attack target cells with which of the following chemical weapons?
A) secrete strong acid
B) secrete organic solvent
C) secrete free radicals
D) secrete a cytokine that triggers apoptosis
E) secrete mutant proteins that get incorporated into the target's DNA
D
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The intercondyloid eminence of the tibia
A. is located on the superior surface. B. is formed by the medial and lateral intercondylar tubercles. C. has tibial plateaus on either side. D. All of the above
Which of the following is a principle of the fluid mosaic model of cell membrane structure?
A) Phospholipids form a bilayer that is largely impermeable to water-soluble molecules. B) Phospholipids consist of a polar head and a nonpolar tail made of three fatty acid chains. C) All proteins associated with the cell membrane are contained in a fluid layer on the outside of the cell. D) The lipid bilayer is a solid at body temperature, thus protecting the cell.
The ____________________ ER is the central packaging and discharge site for molecules to be transported from the ER
Fill in the blank(s) with correct word
Except for the sense of _____ all sensory information is relayed through the thalamus
Fill in the blank(s) with the appropriate word(s).