I don’t understand the question! context?
Biologists do not fully understand DNA because there are constant changes and new discoveries developing.
Answer:
1. CELL WALL
2. CHLOROPLAST
Explanation:
1. Cell wall provide structural support and protection.
2. Chloroplast involved in photosynthesis to make glucose as food for plants cell.
Explanation:
Receptors = Sensory neurons
Relay = Relay neurons
Effectors = Motor neurons
Cell bodies of sensory neurons are only found in the root ganglion. (F)
Cell bodies of relay neurons are only found is the grey matter of the spinal cord. (G)
Cell bodies of motor neurons are also found at G.
Hence the answer is Option D.