Scientists are studying compounds in a newly discovered rain forest plant. The plant produces an unusual substance that local people say acts as an anesthetic. One scientist tested the substance with the chemical indicator copper (II) sulfate and sodium hydroxide. if the test is negative, which type of macromolecule is not present in the substance?

GUYS ANSWER FAST THIS IS MY MIDDTERMS.

We all have different forms of genes from our parent(s).what are these different forms called? a.alleles b.characters c.dna d.resources

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. show the flow of energy in the following ecosystem by labeling each organism's link in the food chain. click once to select a label. click again to place the label in the correct location.

Why is it important that each contour line represents the same amount of gain or loss in elevation