HELP ON A TEST
Which of the following is not a component of viral particles?
(a) DNA (b) protein (c) carbohydrate (d) RNA.

Name the types of burns one can get and which structures of the integument are damaged

In the water cycle , when does water undergo a chemical change

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?