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29 Cards in this Set

  • Front
  • Back
The movement of water through a membrane by diffusion is called_____.
The term___describes a molecule which will dissolve in water; means "water loving".
____cells have a complex structure, includinga nucleus and membrane bound organelles.
The first person to use the "cell" to describe the basic unit of life was ____.
Robert Hooke
Movement of molevules from an area of high concentration to an area of low concentration is called____. When used to move small molucules through the cell membrane, it does not require energy or a carrier protein.
This structure is found in all cells of all types.
cell membrane
Movement of large molecules or ions across a cell membrane from high concentration to low concentration with the aid of a carrier protein is called________.
facilitated diffusion
______cells have a simple structure, with no nucleus or membrane bound organelles
All of the following organelles are found in animal cells EXCEPT: cell membrane; nucleus;cell wall; cenriole
cell wall
The term ___ describes a molecule which will not dissolve in water; means "water fearing."
This structure is found in eukaryotic cells but not in prokaryotic cells
A cell is placed in a solution that has a higher concentration of dissolved materials than that of the cytoplasm of the cell. Which of the following is most likely to happen?
Water moves out of the cell by diffusion into the surrounding solution; the cell shrinks
The mocrobes are entering the cell by the process called
Waste materials that remain after the microbes are digested leave the cell by this process
What does the cell theory state?
1. All organisms are composed of one or more cells
2. Cells are the smallest living thing
3. Cells arise only by division of a previously existing cell
Cell Wall function
Protection; support
Cytoskeleton function
Structural support; cell movement
Flagella and Cilia function
Motility or moving fluids over surfaces
Plasma membrane function
Regulates what passes into and out of cell; cell-to-cell recognition
Endoplasmic reticulum
Forms compartments and vesicles; participates in protein and lipid synthesis
Nucleus function
Control center of cell; directs protiein synthesis and cell reproduction
Golgi complex function
Packages proteins for export from the cell; forms secretory vesicles
Lysosomes function
Digest worn-out organelles and cell debris; play role in cell death
Isolae particular chemical activities from rest of cell
Mitochondria function
Sites of oxidative metabolism; provides ATP for cellular energy
Chloroplast function
Site of photosynthesis
Contain hereditary information
Nucleolus function
Assembles ribosomes
Ribosomes function
Sites of protein synthesis