The object's mass. Weight would be how gravity affected it, size is how large it is, density is how tightly the molecules are to each other. Mass is how much matter is in the object.
All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. The plasma membrane, or cell membrane, is the phospholipid layer that surrounds the cell and protects it from the outside environment. Ribosomes are the non-membrane bound organelles where proteins are made, a process called protein synthesis.
Answer:
C. They break down food materials into forms the cell can use.
Answer:
pericardium is outer covering layer of heart. pericardium is double layered membrane.
Explanation:
During protein synthesis the cell uses information from messenger RNA
