4. How is a type B RBC different from a Type AB RBC

People with type A blood have the antigen A on the surface of their RBCs, while people with type B blood have the B antigen. Individuals with type AB blood have both A and B antigens.

Explanation:

An antigen is any substance that causes your immune system to produce antibodies against it. An antigen may be a substance from the environment, such as chemicals, bacteria, viruses, or pollen. An antigen may also form inside the body.When an antigen enters the body, it stimulates the immune system to produce antibodies. Antigens are any substance that stimulates the immune system to produce antibodies. Antigens can be bacteria, viruses, or fungi that cause infection and disease.Blood types are most important to know if you are needing a transfusion, but it appears that different blood types may have an impact on certain diseases.Rh+ indicates there are Rh antigens. Antibodies (in the blood plasma): B antibodies. If there are A and Rh antigens but no B antigens, the antibodies in the blood plasma are B antibodies.There are more than 600 other known antigens, the presence or absence of which creates rare blood types. Your blood type is considered rare if you lack antigens that 99% of the people are positive for.

Translation

Explanation:

During the transcription the double stranded DNA act as a separate template  strand to produce mRNA molecule. The mRNA molecule encode for amino acid chain that collectively forms the protein. The ribosomes are the sites of protein synthesis the mRNA get attached to the ribosome. Within the ribosome the rRNA molecule instruct the catalytic steps for the synthesis of protein. The amino acid sequence or chain gets stitched together to form the protein.