enclosed by membranes. Both eukaryotic cells and prokaryotic cells always contain both a true nucleus that is D. and organelles that are separated from the cytoplasm by membranes. 17. What are the most basic building blocks of all organisms? A. bones B. muscles C. organs D. cells 18. All living organisms use energy. They also grow and reproduce. What is another characteristic of all living organisms? All living organisms consist of many cells with specialized A. organelles. All living organisms are composed of one or more B.
enclosed by membranes. D. Both eukaryotic cells and prokaryotic cells always contain both a true nucleus that is and organelles that are separated from the cytoplasm by membranes. 17. What are the most basic building blocks of all organisms? A. bones B. muscles C. organs D. cells 18. All living organisms use energy. They also grow and reproduce. What is another characteristic of all living organisms? A. All living organisms consist of many cells with specialized organelles. B. All living organisms are composed of one or more
basic_principles_q.docx