5 Written Questions

1. a cell organelle that helps make and package materials to be transported out of the cell
2. in microscopes, the ability to form images with fine detail
3. in a eukaryotic cell, a membrane-bound organelle that contains the cell's DNA and that has a role in processes such as growth, metabolism, and reproduction
4. a phospholipid layer that covers a cell's surface and acts as a barrier between the inside of a cell and the cell's environment
5. the region of the cell within the membrane that includes the fluid, the cytoskeleton, and all of the organelles except the nucleus

5 Matching Questions

1. cilium
2. magnification
3. cell theory
4. lipid bilayer
5. electron microscope

1. a a hairlike structure arranged in tightly packed rows that projects from the surface of some cells
2. b the theory that states that all living things are made up of cells, that cells are the basic units of organisms, that each cell in a multicellular organism has a specific job, and that cells come only from existing cells
3. c the basic structure of a biological membrane, composed of two layers of phospholipids
4. d the increase of an object's apparent size by using lenses or mirrors
5. e a microscope that focuses a beam of electrons to magnify objects

5 Multiple Choice Questions

1. the cytoplasmic network of protein filaments that plays an essential role in cell movement, shape, and division
   1. resolution
   2. cytoplasm
   3. cytoskeleton
   4. lysosome
2. a system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids
   1. light microscope
   2. flagellum
   3. endoplasmic reticulum
   4. cytoplasm
3. an organism that consists of a single cell that does not have a nucleus or cell organelles; an example is bacterium
   1. ribosome
   2. organelle
   3. eukaryote
   4. prokaryote
4. a cell organelle found in eukaryotic cells that is the site of cellular respiration, which produces ATP
   1. ribosome
   2. cytoplasm
   3. mitochondria
   4. phospholipid
5. a cell organelle composed of RNA and protein; the site of protein synthesis
   1. prokaryote
   2. lysosome
   3. cilium
   4. ribosome

5 True/False Questions

1. central vacuole → a rigid structure that surrounds the cell membrane and provides support to the cell

   True        False

2. phospholipid → in microscopes, the ability to form images with fine detail

   True        False

3. chloroplast → the region of the cell within the membrane that includes the fluid, the cytoskeleton, and all of the organelles except the nucleus

   True        False

4. flagellum → a long, hairlike structure that grows out of a cell and enables the cell to move

   True        False

5. lysosome → a cell organelle composed of RNA and protein; the site of protein synthesis

   True        False