7. How do muscles work in antagonistic pairs?
The muscles alternate, producing wavelike contractions,
When one muscle pulls, the other muscle relaxes,
Each muscle is attached to a different ligament,
Both muscles always contract at the same time,

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? a) catalysis b) metabolism c) anabolism d) dehydration e) catabolism

Explain why autonomous underwater explorers (aue) will provide entirely new kinds of information about ocean processes