The statement "energy is conserved" means that A. Energy cannot be destroyed or created.
B. The total amount of energy in the universe remains the same.
C. All of these
D. Energy is not lost, but it can change form.

Building glycogen from glucose molecules is an example of what

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?