Asap! 20 points < 3

part a: explain how enzyme a acts as a catalyst in the reaction. be sure to include energy and time in your answer.

part b: conditions around an enzyme change and affect the shape of the enzyme's active sites. predict how an increase in temperature might affect the enzyme's ability to catalyze the reaction.

The trp operon in e.coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s