<span>is held in genetic material called DNA.</span>
Answer:
Dissecting microscopes are for viewing the surface features of a specimen, and compound microscopes are designed to look through a specimen.
Explanation:
Three structures make up the brainstem: The medulla, which controls breathing, swallowing, blood pressure, and heart rate. The pons (Latin for "bridge"), which links the cerebellum to the cerebrum. The midbrain, which governs rudimentary vision and hearing.
A substitution is a mutation that exchanges one base for another (i.e., a change in a single "chemical letter" such as switching an A to a G). Such a substitution could: change a codon to one that encodes a different amino acid and cause a small change in the protein produced. ... These are called silent mutations.