Shawn is planning a scientific experiment. he wants to learn whether time of day has an effect on how far the roses in his mother's garden are open. he plans to measure the diameter of each flower on three rosebushes every hour during a week in the spring.

what is the independent variable in shawn's experiment?

lysosomes contain a variety of enzymes, enabling the cell to break down various biomolecules it engulfs, including peptides, nucleic acids, carbohydrates, and lipids (lysosomal lipase). the enzymes responsible for this hydrolysis require an acidic environment for optimal activity. hope i !

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.