Use the drop-down menus to complete each statement about the amphibian heart. The
chamber is the pump portion of the heart.

The
chamber receives oxygen-rich blood from the lungs and skin.

The
chamber receives carbon-dioxide-rich blood from the rest of the body.

"do a testcross with a homozygous recessive plant."

hi my name is ashlynn and im 15

these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.