Exam 4: A Tour of the Cell

Which cell would be best for studying lysosomes?

Thylakoids, DNA, and ribosomes are all components found in

Which of the following will be found in nearly all eukaryotic cells?

Prokaryotes are classified as belonging to two different domains. What are the domains?

What technique would be most appropriate to use to observe the movements of condensed chromosomes during cell division?

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?

The membranes of various organelles in the endomembrane display differences in their lipid and protein compositions. These differences are largely established by

Which of the following may be found in eukaryotic cells, but not in bacteria?

A biologist ground up some plant leaf cells and then centrifuged the mixture to fractionate the organelles. Organelles in one of the heavier fractions could produce ATP in the light, whereas organelles in the lighter fraction could produce ATP in the dark. The heavier and lighter fractions are most likely to contain, respectively,

A mutation that disrupts the ability of an animal cell to add polysaccharide modifications to proteins would most likely cause defects in its

If plant cells are grown on media containing radioactively labeled thymine for one generation, where will radioactively labeled macromolecules be detected?

What is the primary reason that a modern transmission electron microscope (TEM) can resolve biological images as small as 2 nm, whereas 200 nm is the limit of resolution for a light microscope?

What types of proteins are synthesized by the rough ER?

Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules?

When disrupted cells are spun in a centrifuge at increasingly higher speeds, which of the following correctly lists the order in which cellular components will pellet?

One advantage of light microscopy over transmission electron microscopy is that

Which organelle often takes up much of the volume of a plant cell?

Tay-Sachs disease is a human genetic abnormality that results in cells accumulating very large, complex, undigested lipids. Which cellular organelle must be defective in this condition?

The cell walls of bacteria, fungi, and plant cells and the extracellular matrix of animal cells are all external to the plasma membrane. Which of the following is a characteristic common to all of these extracellular structures?

Some key innovations in the evolution of eukaryotes from a prokaryotic ancestor are membrane-bound organelles. Which of the following organelles or features is likely to be a common component shared by both eukaryotic cells and their prokaryotic ancestors?