Cellulose, chitin, and peptidoglycan function as structural molecules and withstand pulling and pushing forces well. which structural feature is most directly responsible? see section 5.3 (page 114) . view available hint(s)

It is because these structural polysaccharides exist as sets of long strands that are linked to one another. They form fibers that give cells strength and elasticity. Cellulose and chitin are homopolysaccharides meaning that they contain only a single type of monomeric unit, while peptidoglycan is built from two alternating monosaccharide units. Cellulose is found in plant cell walls and chitin is a structural component of animal exoskeletons. Peptidoglycan forms the rigid layer of the bacteria’s wall.

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation:

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.