I don't know maybe it is a white blood cell
Answer:
D. Spinal nerves have mixed motor and sensory function.
Explanation:
spinal's nerves are mixed nerves, which means that they carry sensory and motor information. They carry sensory information to the central nervous system to give a motor answer that will travel through the spinal nerves to specific muscles. The White matter, which is peripheral in the spinal cord, contains axons while the gray matter, which is central in the spinal cord, contains cell bodies.
Amino acid differs at the glutamine, which is converted to valine in hemoglobin S. the body produced hemoglobin S due to a point mutation in the DNA sequence which results in different amino acid to be formed during translation of DNA sequence codons.
d. Sea Cucumber
Sea cucumbers are filter feeder. Sea cucumbers often find places that have strong currents to find food.