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biology test 2.

QuestionAnswer
) A ______ is an example of a unicellular organism. protist
What theory states that all living things are composed of cells? cell theory
What type of microscope would be best for studying the structure of a plasma membrane? transmission electron microscope
The two basic types of cells are ______ and ______. prokaryotic . . . eukaryotic
When using a light microscope to view a cell you obtained from scraping under your fingernails, you notice that the cell lacks a nucleus; therefore, you conclude that the cell must be a type of ______ cell. 5) prokaryotic
The difference between eukaryotic and prokaryotic cells is that eukaryotic cells ______ prokaryotic cells. have a nucleus, which is lacking in
Which of the following is a function of the plasma membrane? regulation of the passage of material into and out of the cell
In eukaryotic cells, what name is given to the region between the nucleus and the plasma membrane? cytoplasm
In eukaryotic cells, organelles are suspended within the ______. cytosol
You find a cell of a type you have never seen before. The cell has both a nucleus and a cell wall. Therefore, you conclude that it must be a ______ cell. plant
______ are the major lipids of plasma membranes. Phospholipids
Why, when mixed with water, do phospholipids spontaneously form membranes? Phospholipids have hydrophilic phosphate groups that are attracted to water and hydrophobic fatty acid tails that avoid water.
Which of these is NOT a function of the plasma membrane? control center of the cell
Created by: Doc15k@yahoo.com
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