Answer:
C. Vaccination
Explanation:
vaccination is the administration of a vaccine to help the immune system develop protection from a disease. Vaccines contain a microorganism or virus in a weakened, live or killed state, or proteins or toxins from the organism.
The type of active transport which helps muscle cells to contract is called SODIUM POTASSIUM PUMP. In humans, sodium and potassium ions are pumped in opposite direction across the membrane, this builds up an electrical and chemical gradients which drive other transport processes.
Answer:
protein
Explanation:
the basic molecule of protein is amino acids
The correct option is D.
The Endangered Specie Act was enacted in 1973. It is an environmental law which provides for the conservation of species that are endangered or threatened and the preservation of the ecosystem in which they live. The law prohibit the catching and killing of endangered species.
I would think of a unicellular organism or a plant, but I'm not too sure on this one, Just trying to help :)
