Answer to Question 1
Answer: The ideal answer should include:
1. Santa Costanza is a small mausoleum built for Constantine's daughter.
2. It is circular in shape. Surrounding the circular space is an ambulatory used for ceremonial purposes.
3. It is topped by a dome supported by a barrel vault.
4. It defines the points of the traditional Greek cross, having four equal arms.
5. The circular form of this structure appears in later Byzantine architecture.
Answer to Question 2
Answer: The ideal answer should include:
1. The mosaics show the Emperor Justinian and Empress Theodora, bringing an offering of bread and wine for the Eucharist, with halos, identifying them with Christ and Mary.
2. Justinian is surrounded by twelve advisors, like Christ's twelve disciples.
3. Theodora's robe is embroidered with figures of the Magi bringing gifts to the Virgin and the Christ Child.
4. These images show that under Justinian, the Church and State are one and the same.
A closer look at the structure and function of photosystem II
The structure of climate diagrams.
Cellulose structure
The nucleolus (arrow) is a prominent structure in the nucleus
The structure of bacteriophage T4
Lichen Structure