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A satellite is orbiting the earth. If a payload of material is added until it doubles the satellite's mass, the earth's pull of gravity on this satellite will double but the satellite's orbit will not be affected.
Endomembrane System
A group of membranes and organelles in eukaryotic cells that work together to modify, package, and transport lipids and proteins.
Golgi Apparatus
An organelle in eukaryotic cells involved in the sorting, packaging, and modification of proteins and lipids for secretion or use within the cell.
Packaging Materials
Materials used to protect, store, and transport products, ranging from paper and cardboard to plastics and metals.
Cellular Respiration
The process by which cells convert sugars into energy in the form of ATP, consuming oxygen and releasing carbon dioxide.
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