1 Alkylating agents: These types of drugs interfere with the way cells work and can kill cells in various phases of the cell cycle. 2  Antimetabolites: These drugs affect how a cell functions by replacing natural substances in the DNA that cells need to grow.
Bare and bear are homophones â that is, they sound the same â but have very different meanings. Where it is often misused for bare is when it is used as a verb. The verb bear relates to carrying or supporting whereas the verb bare means âto uncover (a part of the body or other thing) and expose it to viewâ: He was bearing a tray of brimming glasses. Steamboats bear the travellers home.
c. 1300 (late 12c. as a surname, and Old English had purlamb lamb without a blemish), unmixed, also absolutely, entirely, from Old French pur pure, simple, absolute, unalloyed, figuratively simple, sheer, mere (12c.), from Latin purus clean, clear; unmixed; unadorned; chaste, undefiled, from PIE root *peue- to purify, cleanse (source ...