Answer:
ok so i think the X shape is a chromosome, that blank space in the big spot is calleed a nucleas. The arrow on the top right is a cell, the bottom right is base pair, the bottom left is dna and the top middle is called the gene.
Explanation:
Xerostomia (hypo functioning of salivary glands )
Answer:
Hmm, sorry, I do not think I have learned that yet.