Biology CLEP Questions and
Answers.
organism - Answer An individual living thing capable of responding to stimuli, growing,
reproducing, and maintaining homeostasis
tissues - Answer Groups of cells with a common structure and function.
organ - Answer A collection of several different tissues that work together to carry out a
specialized function of the body
organ system - Answer group of organs and tissues that work together to perform a major
function of the organism
epithelial tissue - Answer tissue that is organized into tightly pack sheets of cells that line
organs and body cavities
basement membrane - Answer a well defined layer of extra-cellular matrix that serves as a
base for epithelial tissue
villi - Answer finger like projections of epithelial tissue which increase surface area
connective tissue - Answer tissue where cells are distributed withing an extracellular matrix
extracellular matrix - Answer any part of an organism's tissue that is located outside of the
cells
bone tissue - Answer calcium phosphate: osteocytes - mature bone cells
collagen - Answer an extracellular protein that forms rope-like filaments with great tensile
strength (tropocollagen helix)
firboblasts - Answer cells found in the extracell. matrix that secret matrix proteins. wound
repair, tissue modeling/expansion