When DNA is copied, sometimes a new, incorrect, base pairing appears within the structure of a new DNA molecule replacing original base pairs. This mistake is called a base-pair . A) Deletion

B) Insertion

C) Point

D) Duplication

Provide one reason why mitosis occurs.

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.