Ascientist is comparing the outer structure of an onion cell, structure x, to the outer structure of a human skin cell, structure y. which generalization is true about the types of structures being examined?

Which sequence correctly shows the path of carbon dioxide during repiration?

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that