Term
| One portion of the cell theory states that ___ |
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Definition
| all living organisms are made up of cells |
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Term
Four of the five answers listed below are portions of a well-known theory. Select the exception.
a. Cells are the structural and functional components of living things.
b. Cells arise from preexisting cells.
c. All organisms are composed of cells.
d. Cells are the basic living unit or organization of living things.
e. All cells have a nucleus. |
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Definition
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Term
Organelles _____ .
a. are membrane-bound compartments
b. are typical of eukaryotic cells, not prokaryotic cells
c. separate chemical reactions in time and space
d. all of the above are features of the organelles |
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Definition
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Term
| Cell membranes consist mainly of a _____ . |
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Definition
| lipid bilayer and proteins |
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Term
| Hydrophobic reactions of phospholipids may produce clusters of their fatty acid tails, which form... |
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Definition
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Term
| What part of a fatty acid can attract water molecules? |
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Definition
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Term
| An organelle found in the nucleus is a ___ |
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Definition
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Term
| Scientists use the word "chromosome" to describe ___ |
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Definition
| an individual DNA molecule |
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Term
| Organelles composed of a system of canals, tubes, and sacs that transport molecules inside the cytoplasm are ____ |
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Definition
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Term
| These are the primary cellular sites for the production of proteins. |
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Definition
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Term
| In which organelle are steroid hormones synthesized? |
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Definition
| the smooth endoplasmic reticulum |
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Term
| These are the primary structures for the packaging of cellular secretions for export from the cell. |
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Definition
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Term
| These contain enzymes and are the main organelles of intracellular digestion. |
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Definition
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Term
| These contain enzymes used in the breakdown of glucose and generation of ATP. |
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Definition
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Term
| Which type of cytoskeletal protein is responsible for the movement of chromosomes during cell division? |
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Definition
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Term
| What cell organelle is found in plant cells but NOT in animal cells? |
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Definition
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Term
| Cells of many protistans, plants, and fungi, but not animals, commonly have _____ . |
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Definition
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Term
Four of the five answers listed below are familiar organelles in the cytoplasm. Select the exception.
a. nucleolus
b. mitochondria
c. ribosome
d. Golgi apparatus
e. chloroplast |
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Definition
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Term
| Unlike eukaryotic cells, prokaryotic cells _____ . |
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Definition
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Term
REVIEW: Prokaryotes
a. have DNA regions.
b. are unicellular.
c. have cell walls.
d. are bacteria.
e. all of these |
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Definition
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