What Is a Possible Explanation for Why SsDNA Viruses Have

question 10

Multiple Choice

What is a possible explanation for why ssDNA viruses have genomes less that 10kb in size?

• A) ssDNA is not as physically stable as dsDNA.
• B) ssDNA is not transcribed by host cells.
• C) ssDNA can form hairpin structures because of base-pairing.
• D) Larger pieces of ssDNA can not be replicated.
• E) Larger pieces of ssDNA can not easily enter the host cell.

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Definitions:

Sensorimotor

The first stage in Piaget’s theory of cognitive development, from birth to about two years, characterized by the development of coordination between sensory input and motor actions.

Preoperational

A stage in Jean Piaget's theory of cognitive development, occurring roughly between the ages of 2 and 7, characterized by symbolic thinking, egocentrism, and difficulty understanding abstract concepts.

Concrete Operational

A stage in Piaget's theory of cognitive development during which children gain the ability to think logically about concrete events.

Formal Operational

The final stage in Piaget's theory of cognitive development, beginning around age 11, where individuals gain the ability to think abstractly and logically about hypothetical situations.