The density would be 14.567 lb/cu ft
Different kinds of proteins that might be made by the ribosomes are structural, transport, antibodies, storage, contractile protein.
Further Explanation: RNA is Ribonucleic Acid different from DNA by one ribose and RNA is single-stranded. There are different forms of RNAs are present such as mRNA, tRNA, and rRNA.
Answer:
Check for chloroplasts for a plant cell and look for mitochondria's for an animal cell
Search on google or google asl or yahoo ask