Luis is given a can of soda. it had a mass of 21 grams and a volume if 7cm cubed what is the densityof the soda?

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

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?