Choose all the answers that apply.

check all the statements that are correct.

a. an independent variable is the variable which is changed.

b. the dependent variable is the variable which is observed as a result of the change.

c. disproving a hypothesis means it cannot be tested again.

d. experiments are usually published to communicate findings to the scientific community.

e. if data can be repeated, it cannot be trusted.

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

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.

Which nucleotide component contains nitrogen