Who was the first researcher to establish the method for DNA sequencing?
A. Rosalind Franklin
B. Frederick Sanger
C. James Watson
D. Ian Wilmut
E. Gregor Mendel
B. Frederick Sanger
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Which of the following conditions is identified by the release of histamine and serotonin?
a. ragweed hypersensitivity b. HIV/AIDS c. rheumatoid arthritis d. dermatitis
Peppers that produce more capsaicin would lose fewer seeds to herbivores. This would lead to selection.
A. disruptive B. stabilizing C. artificial D. sexual E. directional
Habitats with many edges
A) are the result of natural disasters. B) favor animals that prefer interior, forest habitat. C) often result from human activities. D) result in a significant increase in ecotourism.
Which of the following is not a mechanism by which viruses cause cancer?
A. They encode proteins that bind to and inactivate host cell proteins known as tumor suppressor proteins. B. An expression of viral proteins results in abnormal expression of genes that regulate cell growth and reproduction. C. They carry a cancer-causing gene into the cell. D. They produce defective interfering particles.