Prions are
A. viral-infected cells.
B. proteins coded by genes.
C. viral nucleic acids integrated into the host chromosomes.
D. strands of nucleic acids encased in a protein coat.
E. infectious proteins with no associated nucleic acid.
Answer: E
You might also like to view...
In general, the cold-dwelling thaumarchaeotes are evolving more slowly than the hyperthermophilic crenarchaeotes
Indicate whether the statement is true or false.
Which well-known paleontologist created a global database of marine animal families to study changes in diversity through time?
A) Charles D. Walcott B) Jere H. Lipps C) David Raup D) Michael Foote E) Jack Sepkoski
Describe the evidence that supports that protists have evolved into multiple evolutionary lineages.
What will be an ideal response?
The Nocardiaceae bacterium, Rhodococcus, is of considerable interest because of its variety of enzymatic degradation pathways. Which of the following is(are) able to be broken down by Rhodococcus? (Check all that apply.)
A. Petroleum hydrocarbons B. Stainless steel C. Pesticides D. Detergents