In order to create a superhero with the ability to detect infrared radiation, which type of sensory receptor would need to be added or enhanced?
_____ chemoreceptors
_____ nociceptors
_____ electromagnetic receptors
_____ mechanoreceptors
_____ chemoreceptors
_____ nociceptors
__X__ electromagnetic receptors
_____ mechanoreceptors
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As the global concentration of carbon dioxide increases, there is great potential for direct impact on the world's
A. climate. B. biodiversity. C. biogeochemistry. D. ozone layer.
When chemical, transport, or mechanical work is done by an organism, what happens to the heat generated?
A) It is used to power yet more cellular work. B) It is used to store energy as more ATP. C) It is used to generate ADP from nucleotide precursors. D) It is lost to the environment. E) It is transported to specific organs such as the brain.
Which of the following choices shows these steps in the correct order?
The steps of DNA fingerprinting are shown below. 1. Isolate DNA from samples 2. Label DNA with fluorescent marker 3. PCR using primers that flank STRs 4. Detection of fluorescent fragments 5. Gel electrophoresis A. 1 - 2 - 3 - 4 - 5. B. 1 - 2 - 3 - 5 - 4. C. 1 - 5 - 3 - 2 - 4. D. 1 - 3 - 2 - 5 - 4. E. 3 - 1 - 2 - 5 - 4.
The ____ , located ____ of the transcription start point, is the site at which RNA polymerase associates with DNA to
begin transcription.
a. promoter; upstream b. initiator; downstream c. initiator; upstream d. promoter; downstream e. intron; downstream