What is an action potential?
A. The potential that your body has to complete a movement
B. The collection of dendrites that make up a neuron
C. The movement of hormones in your body
D. The electric signal used by neurons to transfer information
D. The electric signal used by neurons to transfer information
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Which of the following is NOT a recent discovery that has had a huge impact on the understanding of microbiology?
A. PCR technique B. Restriction enzymes C. Small RNAs D. Biofilms E. All are significant discoveries.
The products of ____ are N2O and N2
a. ammonification b. biological magnification c. denitrification d. nitrification e. nitrogen fixation
How is reverse transcriptase used to clone genes?
a. Reverse transcriptase is used to make a cDNA copy of an mRNA strand. b. Reverse transcriptase is used to make a cloned DNA copy of a plasmid DNA molecule. c. Reverse transcriptase is necessary to read the information contained on the cDNA molecule. d. Reverse transcriptase transcribes RNA from cDNA in reverse order. e. Reverse transcriptase transcribes cDNA into RNA without transcription of introns.
Which of the following bacteria are Gram negative bacilli, have adapted to more acidic pH levels, and are the cause of food borne illness?
a. Salmonella typhi b. Vibrio cholera c. Escherichia coli O157:H7 d. Hospital Acquired Staphylococcus aureus