Questions and Answers.
Identify the differences among the different classes of organic molecules - Answer
Recall the building blocks of the classes of organic molecules - Answer
Explain why most cells are limited to a small size - Answer As the cell increases in size, the
surface area becomes too small to get enough stuff in and out of huge cells at an efficient rate!
cell wall - Answer A rigid structure that surrounds the cell membrane and provides support
to the cell
Animal cells have - Answer Nucleus, cytoplasm, cell membrane, mitochondria, ribosomes
Plant cells have - Answer chloroplasts, cell wall, large central vacuole
prokaryotic cell - Answer NO nucleus OR other membrane-bound organelles.
Eukaryotic cells - Answer have a nucleus and other membrane-bound organelles
Plasmamembrane - Answer regulates movement of materials in and out of the cell
Mitochondria - Answer Powerhouse of the cell, organelle that is the site of ATP (energy)
production
Chloroplast - Answer Site of photosynthesis
Golgi apparatus - Answer A system of membranes that modifies and packages proteins for
export by the cell
Ribosomes - Answer site of protein synthesis
Nucleus - Answer A part of the cell containing DNA and RNA and responsible for growth and
reproduction