Like all other reptiles, birds have scales. Also, birds lay eggs like other reptiles.
A. Venus
B. Asteroid
C. Comet
D. Uranus
Protein synthesis occurs in the cytoplasm, specifically in the ribosomes. Proteins that are meant to be excreted, such as in the pancreas, are produced in the rough endoplasmic reticulum which is a membrane studded with ribosomes. In organs that primarily function to produce and secrete proteins, there will be a larger rough endoplasmic reticulum with more ribosomes.
In the mitochondria, the powerhouse of the cell.
