How much time does the average human need to sleep per day?

Each trait of a plant is determined a. an allele b. one gene c. a pair of genes d. one dominant gene

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.

What type of bonds link individual amino acids together?