Biology Test 2

Last update by Shanal on 10/29/2013
700969 People have viewed this Quiz
  • Share

When biologists wish to study the internal ultrastructure of cells, they can achieve the finest resolution by using

Answer:
a transmission electronic microscope.

View Biology Test 2 as Flashcard Deck

Related Quiz Content
  • smiraclelynch
    Answered in Biology Test 2
    The liver is involved in detoxification of many poisons and drugs. Which of the following structures is primarily involved in this process and therefore abundant in liver cells??
    smooth ER
  • smiraclelynch
    Answered in Biology Test 2
    Signals between the ECM and the cytoskeleton may be transmitted by
    integrins
  • smiraclelynch
    Answered in Biology Test 2
    The extracellular matrix is thought to participate in the regulation of animal cell behavior by communicating information from the outside to the inside of the cell via which of the following?
    integrins
  • smiraclelynch
    Answered in Biology Test 2
    Which organelle or structure is absent in plant cells?
    centrosomes
  • smiraclelynch
    Answered in Biology Test 2
    All of the following are part of a prokaryotic cell except
    an endoplasmic reticulum.
  • smiraclelynch
    Answered in Biology Test 2
    Which structure-function pair is mismatched?
    microtubule; muscle contraction
  • smiraclelynch
    Answered in Biology Test 2
    All of the following serve an important role in determining or maintaining the structure of plant cells. Which of the following are distinct from the others in their composition?
    both flagella and motile cilia
  • smiraclelynch
    Answered in Biology Test 2
    What is the reason that a modern electron microscope (TEM) can resolve biological images to the subnanometer level, as opposed to tens of nanometers achievable for the best super-resolution light microscope?
    Electron beams have much shorter wavelengths than visible light.
  • smiraclelynch
    Answered in Biology Test 2
    Which of the following produces and modifies polysaccharides that will be secreted?
    Golgi apparatus
  • smiraclelynch
    Answered in Biology Test 2
    One of the key innovations in the evolution of eukaryotes from a prokaryotic ancestor is the endomembrane system. What eukaryotic organelles or features might have evolved as a part of, or as an elaboration of, the endomembrane system?
    nuclear envelope
  • smiraclelynch
    Answered in Biology Test 2
    Prokaryotes are classified as belonging to two different domains. What are the domains?
    Bacteria and Archaea