Please write the correct letter below to match the correct function. 
 _____1. Functions primarily as an intercellular highway. 
 _____2. Organisms whose cells never contained a Nucleus. 
 _____3. Consists of Cytosol and Organelles. 
 _____4. The "Brain" of the Cell. Stores hereditary information 
 _____5. Site where Ribosomes are produced. 
 _____6. Converts Sunlight, Carbon Dioxide and Water into 
 Sugars. 
 _____7. The double layer membrane surrounding the 
 nucleus. 
 a. Cytoplasm e. nuclear envelope 
 b. Nucleus f. Endoplasmic Reticulum 
 c. Chloroplast g. prokaryotes 
 d. Nucleolus