Lactase is an enzyme that breaks down the lactose molecule. the sequence of amino acids in the lactase enzyme is an example of which level of protein structure

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b 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.

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?