Baleen is an anatomical structure that allows certain whales to do what?

What do all macromolecules have in common with each other? oa. they all are formed from the same elements.ob. they all have major roles in cell membranesoc. they all act as catalysts in the body.od. they all have peptide bonds between carbon atoms.

What factors contribute to the effect an environmental toxin has on the human body?

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome