A. test tube a does not depict the outcome of the first or second round of replication for any of the three models. b.test tube b depicts the outcome of the first or second round of replication for the conservative model. c.test tube c depicts the outcome of the first round of replication for the semiconservative model. d.test tube d depicts the outcome of the first round of replication for the semiconservative or dispersive models. e.test tube e depicts the outcome of the second round of replication for the dispersive model. you may select zero, one, or many answers.

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.

d. cellulose and starch

answer: the correct option is d. enzyme

lactase and carbonic anhydrase are the examples of enzymes.

lactase is an enzyme, which is present in the small intestine of mammals. it in the digestion of the disaccharide, lactose ( milk sugar) by converting it into two monosachharide, which are glucose and galactose.

carbonic anhydrase is present in the red blood cells. this enzyme plays significant role in the transport of co₂. it in the conversion of co₂ and h₂o into carbonic acid, which is then dissociated into bicarbonate ions and hydrogen ions.