The document asks a series of questions about cellular structures and processes. It asks about the organelle that produces ATP (mitochondria), the structure that makes proteins outside the cell (rough endoplasmic reticulum), the organelle that produces lipids (smooth endoplasmic reticulum), and the structure that controls most cell functions and houses DNA (nucleus). It also asks about the three parts of the cell cycle (G1, S, and G2 phases), when DNA is duplicated (S phase), and when chromosomes first split (M phase).

1. What structure surrounding the cytoplasm is composed mostly of a phospholipid bilayer?___
Which organelle is responsible for ATP production?___ Which organelle makes protein for use
outside the cell?____ Which organelle in the cell produces lipids?___ The DNA that controls
most of the function of the cell is found in what organelle?___ What cellular structure is
responsible for ribosome production?___ What are the three parts of the cell cycle?___ Of the
three parts of the cell cycle, in which one is DNA duplicated?___ In what part of the cell cycle
do chromosomes first split apart?___ What part of the cell cycle involves the division of the
cytoplasm?___ Describe the four phases of nuclear (mitotic) division and what occurs during
those phases.
Solution
4. Cell membrane
5. Mitochondria
6. rough endoplasmic reticulum
7. Smooth endoplasmic reticulum
8. Nucleus
9. Nucleolus
10. G1, G2, S and M phase
11. S phase