Answer:
A nonsense mutation is a genetic mutation in a DNA sequence that results in a shorter, unfinished protein product. DNA is a chain of many smaller molecules called nucleotides. During protein formation, DNA (or RNA) nucleotide sequences are read three nucleotides at a time in units called codons, and each codon corresponds to a specific amino acid or stop signal (stop codon).
Explanation:
Okay a dichotomous key is where you basically create a key to where others find out what kind of animal is the one they're trying to find out. I would suggest using Google to look up examples. It would probably benefit you the most.<span />
Answer:
The voluntary or somatic nervous system consists of the nerves connecting the brain and spinal cord to the skeletal muscles and sensory receptors in the skin, eyes, and ears. It is part of the peripheral nervous system that makes it possible to detect and interact with the world.
Any invidual of the genus homo especially a member of the specis homo sapeins
