We bet you've heard about DNA, the molecule that stores our genetic information. Do you typically associate DNA with keto-enol tautomerization? You should! DNA consists of a sugar-phosphate backbone and four nucleotide bases: adenine (A), guanine (G). thymine (T) and cytosine (C). The amides in T and G can exist in either of two tautomeric forms. Which two structures represent keto-like tautomers? Guanine Thymine HN H, N ON HNa. A&C b. A&D c. .B &c

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

How does upwelling affect coastal fisheries? upwelling damages nutrient supplies at coastal fisheries as the warm, nutrient-rich surface water is replaced by nutrient-poor, cold water. upwelling damages nutrient supplies at coastal fisheries as the cold, nutrient-rich surface water is replaced by nutrient-poor, warm water. upwelling improves the nutrient supply at coastal fisheries as the warm, nutrient-rich surface water replaces the nutrient-poor, cold water. upwelling improves the nutrient supply at coastal fisheries as cold, nutrient-rich water replaces the warm, nutrient-poor surface water.