A student is observing microorganisms in a sample of pond water. One organism of interest has an obvious nucleus and has been moving rapidly during observation and appears to have rows of cilia along its surface. In which of the following groups would this microbe most likely be classified?
A. Eukaryotes (Fungi)
B. Bacteria
C. Eukaryotes (Protozoa)
D. Eukaryotes (Algae)
Answer: C
You might also like to view...
Viroids are:
A. a class of so-called slow viruses. B. proteins that may infect man and other animals causing spongiform encephalopathy. C. a new class of small single stranded DNA viruses that infect some animals. D. short infectious single stranded RNAs that can infect some plants.
Members of the phylum Thaumarchaeota produce a membrane lipid that differs from other diglycerol tetraethers found in Proteoarchaeota in that ________.
A. it contains a cyclohexane ring that promotes membrane fluidity at lower temperatures B. it contains several cyclohexane rings that stabilize the membrane at high temperatures C. it contains several cyclopentane rings that stiffen the membrane at lower temperatures D. it contains a single cyclohexane ring within the phosphilipid bilayer that promotes membrane fluidity
An organ must contain at least:
A. two different tissue types. B. connective tissue. C. all four of the tissue types. D. two different muscle types. E. two different cell types.
Which of the following problems exist when performing human gene therapy?
A. The virus vector may cause a lethal immune reaction itself in rare cases. B. The virus vector may insert its DNA into the middle of a gene, which could lead to cancer. C. The vector used to carry the gene may elicit a strong immune response, leading to rejection of the added gene. D. All of the choices are correct.