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