Altering the pH of a protein's environment can interfere with R group interactions among its amino acids, making it biologically inactive. Which concept does this illustrate?

The best type of soil for farming has a high organic content and a mixture of sediment particle sizes. which of the following statements correctly explains how particle sizes affect the soil? a) small particles, such as clay, to retain moisture. b) small particles, such as sand, to repel chemical additives. c) large particles, such as clay, in the flow of water. d) large particles, such as pebbles, to retain moisture.