All of the following are true except? -Nucleotides are the building blocks of proteins.
-A gene is a segment of DNA that codes for proteins which make your traits.
-Splicing removes exons from pre-mRNA.
-During transcription, adenine pairs with uracil instead of thymine on mRNA.

Discuss the functions of epithelial connective nerviud and muscular tissues

Hector is back from his morning run and is feeling light-headed because his energy is depleted which food item will provide him with a quick source of carbohydrates

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen