Which characteristic of a protein may change during a DNA mutation? hardness
color
texture
shape

Which of the following is not a defining characteristic of plants?

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?

The smallest parts of these that retain their original properties are called