Adenine (a), thymine (t), guanine (g), and cytosine (c) are the building blocks for dna; they are organized in different combinations to code for all of the proteins needed to accomplish everything the cell does.

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

Which of these reproductive method is the only on available to mosses and fernsspores

Which of the following options describes photosynthesis correctly? question 8 options: a plant uses carbon dioxide and water to make oxygen and nitrogen a plant breaks down sugar to make carbon dioxide. a plant uses sunlight, carbon dioxide, and water to make sugar and oxygen. a plant uses sunlight to break down sugars for digestion into water and oxygen.