How many copies of a dna molecule result from two replications of a single dna molecule? 6 2 4 8

Nucleic acid certain protein cell membranes certain carbohydrates

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

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.