Microbiology Test 1-(Q in back of book)-TTC (7week course)
Archaea...
lack peptidoglycan in their cell wall
The lac operon is usually in the ______ position and is activated by a/an ______ molecule.
off, repression or inducer
Which of the following is present in both gram positive and gram negative cell walls?
peptidoglycan
which structure plays a direct role in the exchange of genetic material between bacterial cells?
pilus
which of the following is a macromolecule that assembles into bilayer?
protein
DNA leads to RNA which can lead to the creation of
proteins
which of the following is not a mechanism of horizontal gene transfer?
spontaneous mutation
Fungi produce which structures for reproduction and multiplication? a. endospores b. cysts c. spores d. eggs
spores
bacterial endospores usually function in...
survival
Yeast are ___ fungi, and molds are ___ fungi.
unicellular, filamentous
which of the following is an acellular microorganism lacking a nucleus?
virus
Golgi apparatus
Modifies, sorts, and packages proteins
which of the following would be used to identify an unknown bacterial culture that came from a patient in the ICU?
Bergey's Manual of Systematic Bacteriology
single nucleotide polymorphism are found in
DNA
which of the following is a characteristic of RNA
RNA molecules are necessary for translation and gene regulation
when a hypothesis has been thoroughly supported by long term study and data it is considered?
a theory
microbes are found in which habitat human body earths crust oceans all the above
all the above
identify the process or enviroment in this list that is not affected by microorganism? Oxygen cycle global temps human health all the above have microbial involvement
all the above have microbial involvement
mitochondria likely originated from
bacteria
which of the following processes can be the result of human manipulation of microbial genes
bioremediation