5 Written questions
5 Matching questions
- Cell theory
- Plasma membrane
- a A single-celled orangism that has no nucleus and has no membrane-bound organelles; examples include bacteria and archaea.
- b The theory that states all living things are made up of one or more 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.
- c Also known as a cell membrane, the cell's outer boundary.
- d The part of the eukaryotic nucleus where ribosomal RNA is synthesized.
- e In a eukaryotic cell, one of the structures in the nucleus that are made up of DNA and protein, in a prokaryotic cell, the main ring of DNA.
5 Multiple choice questions
- A system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins in the production of lipids.
- A fiber found inside eukaryotic cells that is composed mainly of the protein actin and that has a role in cell structure and movement.
- The soluble portion of the cytoplasm, which includes molecules and small particles, such as ribosomes, but not the organelles covered with membranes.
- One of the small, tubular fibers composed of the protein tubulin that are found in the cytoplasm of the eukaryotic cells, that compose the cytoskeleton, and that play a role in cell structure and movement.
- One of the small bodies that are found in cytoplasm of a cell and that are specialized to perform a specific function.
5 True/False questions
Plastid → A membrane system found within chloroplasts that contains the components for photosynthesis.
Flagellum → One of the small bodies that are found in cytoplasm of a cell and that are specialized to perform a specific function.
Nucleus → The part of the eukaryotic nucleus where ribosomal RNA is synthesized.
Cytoskeleton → The cytoplasmic network of protein filaments and tubes that plays an essential role in cell movement, shape, and division.
Lysosome → A cell organelle composed of RNA and protein; the site of protein synthesis.