Depending on the organism, direct examination of a specimen is often the most rapid diagnostic tool used in the clinical microbiology lab. You have a sample of pus from a patient's penis. What will be the easiest test to confirm that the patient has gonorrhea?
A. Gram stain
B. ELISA
C. Agglutination reaction
D. Microarray
Answer: A
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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 statements about eukaryotic chromosomes is False?
A: Eukaryotic chromosomes typically are much larger than prokaryotic chromosomes. B: Eukaryotic chromosomes are replicated by a semi-conservative replication process. C: Eukaryotic chromosomes have repetitive sequences at their ends known as telomeres. D: Eukaryotic chromosomes have a single origin of replication located at one end of the double helix . E: Eukaryotic chromosomes are linear.
Which of the following kinds of information can be revealed through a family pedigree analysis?
a. the chromosomal location of disease-related allele b. sex linkage c. the DNA sequence of disease-related allele d. the source of the original mutation in the disease-related allele
A mushroom is a ___________ structure attached to a mass of ____________ fungal strands
Fill in the blank(s) with the appropriate word(s).