What type of vector can replicate and be maintained stably in two (or more) unrelated host organisms?

A) virus
B) expression
C) shuttle
D) integrating


Answer: C

Biology & Microbiology

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Which of the following statements about sister chromatids is false?

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Biology & Microbiology

Before contact with Europeans, a tiny, isolated group of South Pacific islands had a population of about 50,000 people. Because of poor management of their own resources, the population fell to around 5000 by about the year 1750. When Europeans finally

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Biology & Microbiology

The protozoan that causes malaria is an intracellular parasite of red blood cells (RBCs). An adaptive immune response to this parasite is problematic because

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Biology & Microbiology

Why does it make sense that many fruits are green when their seeds are immature?

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Biology & Microbiology