The first law of thermodynamics states that energy can't be created or destroyed. if people can't create energy, where do we get energy to do work

Amylase becomes denatured at a temperature of 80°c. during an experiment to study the effect of varyingtemperature on enzyme activity, amylase’s reactivity with starch was measured at body temperature (37°c), andthen again at an increased temperature of 42°c. how would this increase in temperature affect the experiment

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

Match the reproductive structures based on their function and the system to which they belong. egg ovary sperm vas deferens vagina fallopian tube testis urethra