If no<span> oxygen is available, </span>yeast will<span> switch over to a process called anaerobic respiration in this process, </span>glucose<span> (</span>sugar<span>) is fermented to </span>produce<span> energy, </span>carbon dioxide<span>, and ethanol. And they </span>can<span> only </span>produce<span> energy when the have </span>glucose.
Answer:
sugar
Explanation:
The sides of the stepping stool are made of rotating sugar and phosphate particles. The sugar is deoxyribose. The rungs of the stepping stool are sets of 4 sorts of nitrogen bases. Two of the bases are purines-adenine and guanine.
Answer:
Natural selection is the process in nature by which organisms better adapted to their environment tend to survive and more than those less adapted to their environment. For example :treefrogs are sometimes eaten by snakes and birds
Hope this helps
