Answer:
DNA floats free within the cytoplasm and is not enclosed within a nuclear envelope, whereas eukaryotic DNA is enclosed in a membrane-bound structure known as the nucleus.
Protein, starch or natural rubber are polymers synthesized by living things.
Answer:
1. Outer layer of cells = epidermis
2. Tube connecting the mouth to the stomach = esophagus
3. Iron compound in red blood cells = hemoglobin
4. The distal half of the small bowel = ileum
5. The middle part of the small bowel = jejunum
Explanation: