If a cell was producing too much energy, which component would step in to hold the energy until it was needed?

rough endoplasmic reticulum

vesicles

lysosomes

mitochondria

What is an animal that lives by preying on other animals

Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.

Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.