Osmosis is the diffusion of water across a membrane in response to the concentration of one or more of the ________.
A. solutes
B. cells
C. membranes
D. compartments
Answer: A
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What are the two components of a stamen?
a. filament and anther b. carpel and anther c. filament and ovary d. style and stigma
Motor proteins provide for molecular motion in cells by interacting with what types of cellular structures?
A) mitochondria and chloroplasts B) membrane proteins of the inner nuclear envelope C) free ribosomes and ribosomes attached to the ER D) components of the cytoskeleton E) cellulose fibers in the cell wall
A classification system based on evolutionary relationships is called a ________ system.
A. determinative B. phylogenetic C. systematic D. phenetic
Which of the following is a function of activated complement proteins?
a. lysis of pathogens b. enhancing inflammation c. coating pathogens to enhance phagocytosis d. lysis of pathogens and enhancing inflammation e. lysis of pathogens, enhancing inflammation, and coating pathogens to enhance phagocytosis