Living things need energy to carry out their life processes. animals get this energy from food through a
process called cellular choose
the first stage, glycolysis, occurs in
conditions, or without oxygen. the second stage, called the krebs cycle, and the third stage, electron
transport, require the presence of oxygen, and are therefore choose.

"d.) carbon dioxide and hydrogen sulfide"

other information encoded in your genes might distinguish you from the others in the group

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.