Biology Test 2

Last update by Shanal on 10/29/2013
820731 People have viewed this Quiz
  • Share

Protists and bacteria are grouped into different domains because

Answer:
protists have a membrane-bounded nucleus, which bacterial cells lack.

View Biology Test 2 as Flashcard Deck

Related Quiz Content
  • smiraclelynch
    Answered in Biology Test 2
    A controlled experiment is one in which
    there are at least two groups, one of which does not receive the experimental treatment.
  • smiraclelynch
    Answered in Biology Test 2
    Which of the following categories of organisms is least likely to be revised?
    species
  • smiraclelynch
    Answered in Biology Test 2
    A localized group of organisms that belong to the same species is called a
    population
  • smiraclelynch
    Answered in Biology Test 2
    Which of the following is (are) true of natural selection?
    It requires genetic variation, results in descent with modification, and involves differential reproductive success.
  • smiraclelynch
    Answered in Biology Test 2
    We can be sure that a mole of table sugar and a mole of vitamin C are equal in their
    number of molecules.
  • smiraclelynch
    Answered in Biology Test 2
    Thylakoids, DNA, and ribosomes are all components found in
    chloroplasts
  • smiraclelynch
    Answered in Biology Test 2
    Which of the following correctly lists the order in which cellular components will be found in the pellet when homogenized cells are treated with increasingly rapid spins in a centrifuge?
    nucleus, mitochondria, ribosomes
  • smiraclelynch
    Answered in Biology Test 2
    A mycoplasma is an organism with a diameter between 0.1 and 1.0 µm. What does the organism's size tell you about how it might be classified?
    It could be a very small bacterium.
  • smiraclelynch
    Answered in Biology Test 2
    In the fractionation of homogenized cells using centrifugation, the primary factor that determines whether a specific cellular component ends up in the supernatant or the pellet is
    the size and weight of the component.
  • smiraclelynch
    Answered in Biology Test 2
    How does the cell multiply its peroxisomes?
    They split in two after they become sufficiently large.
  • smiraclelynch
    Answered in Biology Test 2
    In a liver cell detoxifying alcohol and some other poisons, the enzymes of the peroxisome remove hydrogen from these molecules and
    transfer the hydrogen to oxygen molecules to generate hydrogen peroxide.
Biology Test 2
Biology Test 2
Total Views: 820731
Flashcard Deck Tags