← Biology Ch.6 (a) Test
5 Written Questions
5 Matching Questions
- scanning electron microscope
- rough er
- light microscope
- a visible light is passed through the specimen and then through glass lenses
- b a complex of proteins and DNA
- c surface has ribosomes
- d an electron beam scans the surface of the sample. The beam excites electrons on the surface and these secondary electrons are detected. The result is the image
- e complexes mad of ribosomal RNA and protein
5 Multiple Choice Questions
- vesicles in transit from one part of the cell to another
- takes cells apart and separates the major organelles and other sub cellular structures from one another.
- surface lacks ribosomes
- focuses a beam of electrons through the specimen or onto its surface.
- sacs made of membrane
5 True/False Questions
nucleolus → region that is not membrane enclosed
golgi apparatus → proteins that have carbohydrates covalently bonded to them
phagocytosis → eat by engulfing smaller organisms or other food particles
food vacuoles → develops by the coalescence of smaller vacuoles themselves derived from the GA and ER.
nuclear envelope → encloses the nucleus, separating its contents from the cytoplasm.