Why were bacteriophages used as the study "organism" of choice to confirm the role of DNA in heredity? Text Section LO1 Key Concept: bacteriophage, DNA experiment Level: Application of concepts
What will be an ideal response?
Answers should include the following concepts: viruses are easy and cheap to maintain, reproduction of viruses is rapid, and viruses are made of DNA or RNA and protein only.
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Which of the following traits is not characteristic of amniotes?
a. internal fertilization b. waterproof skin c. aquatic larval stage d. egg that can develop on land
A cross of two Kerry horses always produces Kerry
A cross of a Kerry with a Dexter produces 1/2 and 1/2. Crosses of two Dexters produce two Dexters for every Kerry. Explain. What will be an ideal response?
Explain how a telomerase inhibitor might be an effective cancer treatment. What will be an ideal response?
Viruses are not considered living organisms because they
A) cannot reproduce by themselves. B) are structurally very simple. C) can only be visualized using an electron microscope. D) are typically associated with disease. E) are ubiquitous in nature.