Understanding 70S and 80S Ribosomes

What are ribosomes primarily responsible for in a cell?

• Carbohydrate storage

• Lipid metabolism

• Protein synthesis

• DNA replication

Where are 80S ribosomes typically found?

• In eukaryotic cells

• In the cell wall

• In prokaryotic cells

• In viruses

Which organelles contain 70S ribosomes?

• Peroxisomes and vacuoles

• Endoplasmic reticulum and lysosomes

• Mitochondria and chloroplasts

• Nucleus and Golgi apparatus

What are the subunits of an 80S ribosome?

• 60S and 40S

• 70S and 20S

• 80S and 10S

• 50S and 30S

What is the RNA to protein ratio in 70S ribosomes?

• 60% RNA and 40% protein

• 50% RNA and 50% protein

• 40% RNA and 60% protein

• 70% RNA and 30% protein