Areaction that can be used to build atp is best classified as

endergonic

exergonic

enzymatic

organic

Why is excretion necessary to maintain homeostasis?

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing

Why do the circulatory systems of land vertebrates have separate circuits to the lungs and to the rest of the body?