The activities of enzymes are determined by their three dimensional structure. which of the following gives a three dimensional structure to an enzyme? folds of long, linear chains of amino acids folds of long, linear chains of fatty acids folds of long, linear chains of covalent hydrogen bonds

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing

What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen

The most effective way to provide children with safety messages is to