In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Question: If the dna from all 46 chromosomes in a human cell nucleus was laid out end to end, it would measure approximately how long? Answer: two meters
If the dna from all 46 chromosomes in a human cell nucleus was laid out end to end, it would measure approximately two meters long.

Question: Metabolic enzymes catalyze catabolic reactions that break down what? Answer: carbohydrates
Metabolic enzymes catalyze catabolic reactions that break down carbohydrates.

Question: What trend is occurring involving the extent of arctic sea ice in summer? Answer: rapid decrease

Rapid decrease is a trend that is occurring involving the extent of arctic sea ice in summer.