Answer: ATP is composed of 3 phosphate molecules while ADP is composed of 2
Explanation:
The correct answer is C photosynthesis requires energy for the synthesis of carbohydrates , whereas respiration releases energy during the breakdown of carbohydrates
Answer:
The correct answer is B. DNA replication is semiconservative.
Explanation:
With this experiment, Messelson and Stahl determined that there was a pattern in replication that left one original strand and added a new one in each case. Therefore, after two rounds, there will be two copies with "original" information exclusively and two copies with mixed strands or hybrids.
