I believe the answer is the interneurons.
The basic unit of the central nervous system is the neuron or the nerve cells. Billions of neurons allow the different parts of the body to communicate with each other via the brain and the spinal cord. A fatty material called myelin coats nerve cells to insulate them and to allow nerves to communicate quickly.
Answer:
adding nucleotides one by one
Explanation:
A typical primer is about five to ten nucleotides long. The primer primes DNA synthesis, i.e., gets it started. Once the RNA primer is in place, DNA polymerase "extends" it, adding nucleotides one by one to make a new DNA strand that's complementary to the template strand.
There is one extra 21 comosome which is why it is down sydrome.
Organ, in biology, a group of tissues in a living organism that have been adapted to perform a specific function. In higher animals, organs are grouped into organ systems; e.g., the esophagus, stomach, and liver are organs of the digestive system.
Answer:
The occurrence of limestones and well-sorted quartzose sandstones, on the other hand, is considered to be evidence of shallow-water formation, and such rocks form in the inner segment of a geosyncline, termed a miogeosyncline.
Explanation:I explained it with my answer if that’s ok
