What is the basic function of catabolic operons like the lac operon?

to find an alternative energy source when glucose is absent or not present in sufficient amounts

to find an alternative source of carbon when glucose is absent or not present in sufficient amounts

to find an alternative source of carbon regardless of the amount of glucose present

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !