Answer:
DNA structure DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C).
Explanation:
Answer:6
Explanation:
6 molecules of carbon dioxide are required, one for each carbon atom in glucose. 6 molecules of oxygen are produced as a by product of water oxidation. Sunlight provides the free energy needed to make the endergonic pathway proceed.
Its the first one, the second one and the fourth one! I hope this helps
<span>internal respiration.
A is your answer </span>
The base level of a tributary would become HIGHER if a dam and a reservoir were constructed where it flowed into a trunk stream.