D. Number of protons in an atom's nucleus
Answer:
Pre B-cell is getting into checkpoint one, as it possesses a surrogate light chain that is adhered to its recombined heavy chain to make certain that the heavy chain is performing it's necessary duties. Cell is seen to be increasing in size as it undergo division into varying amount of small B-cells.
The basic unit of temp. is the degree, which could be Celcius, Fahrenheit or Kelvin.
Answer:
Plate tectonics
Explanation:
Plate tectonics is a scientific theory describing the motion of seven large plates and the movement of a larger number of smaller plates of the Earths lithosphere.
Nucleic acids<span> are long polymers of repeating </span>subunits<span> called nucleotides. Each nucleotide is made </span>up<span> of three smaller building blocks (Figure 17): Figure 17 The structure of a nucleotide and the formation of </span>nucleic acid<span> chains.</span>
