Physiology, Chapter 3- 15th Edition Test Bank,
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a solution is isotonic to a cell when - Correct Answers-it has the same osmotic pressure as the cell
active mechanisms require - Correct Answers-cellular energy
active transport - Correct Answers-moves particles through membranes from a region of lower
concentration to a region of higher concentration
apoptosis - Correct Answers-a cell that does not divide or differentiate
it is a form of cell death that is a normal part of development
blood pressure causes - Correct Answers-filtration through porous capillary walls, forming tissue fluid
cells lose water when - Correct Answers-placed in hypertonic solutions and gain water when placed
in hypotonic solutions
Centrioles - Correct Answers-the centrosome contains this, it aids in distributing chromosomes
during cell division
chromatin - Correct Answers-composed of loosely coiled fibers of DNA and protein. As chromatin
fibers condense during cell division, chromosomes hold stain and can be visualized using a microscope
Cilia and flagella - Correct Answers-motile extentions from cell surfaces
cytoplasm contains - Correct Answers-networks of membranes and organelles, and the rods and
tubules of the cytoskeleton suspended in cytosol
cytoplasmic division distributes - Correct Answers-cytoplasm into two portions
*it begins during anaphase
differentiation - Correct Answers-is cell specialization
diffusion - Correct Answers-movement of molecules or irons from regions of higher concentration to
regions of lower concentration
endocytosis - Correct Answers-conveys large particles into a cell