Polymerase chain reactions utilize a heat-stable DNA polymerase that was isolated from the bacterium Thermus aquaticus.
Answer the following statement true (T) or false (F)
True
It is true that automated polymerase chain reactions were made possible when the temperature-insensitive DNA polymerase was isolated from the thermophile Thermus aquaticus.
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In addition to mutation, what other mechanism allows for new genetic information to be introduced into a population? Explain your answer.
What will be an ideal response?
Which of the following are examples of homologous structures?
a. whale flipper and cat leg b. human eye and octopus eye c. bird and insect wings d. body shape of sharks and dolphins e. penguin wing and fish fin
Which of the following is incorrect regarding Yersinia pestis?
A. It produces coagulase as a virulence factor. B. It has a capsule as a virulence factor. C. It produces an enterotoxin. D. It exhibits bipolar staining and appears to resemble a safety pin. E. It is a gram-negative rod.
When the systole occurs the ventricle is contracting.
a. true b. false