Within this
body part, lymph acquires particles that help immune system function. According
to Merriam dictionary, immune system is defined as “the bodily system that protects the body
from foreign substances, cells, and tissues by producing the immune response
and that includes especially the thymus, spleen, lymph nodes, special deposits
of lymphoid tissue (as in the gastrointestinal tract and bone marrow),
macrophages, lymphocytes including the B cells and T cells, and antibodies.”
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Nucleic acids are composed of monomers called Nucleotides
Nucleic acids are made of monomers known as Nucleotides, and there are 3 parts to Nucleotides - They are a nitrogenous base, a pentose sugar and a phosphate group
        
             
        
        
        
Carbon is the basic element for living thing
        
             
        
        
        
Mutations Are the Raw Materials of Evolution. A mutation is a change in the sequence of an organism's DNA. What causes a mutation? Mutations can be caused by high-energy sources such as radiation or by chemicals in the environment