Answer: A) Proteins and nucleic acids
Explanation:
White blood cells produce antibodies which fight off the pathogens
Answer:
The correct answer is E-processing of exons in mRNA that results in a single gene coding for multiple proteins.
Explanation
Splicing is the process where introns are cut out of the mRNA so only the coding parts for proteins. In this way, genes can code for many proteins, depending on how the amino-acids are arranged.
passive transport would be the answer to your question