Answer:
Membrane proteins perform a variety of functions vital to the survival of organisms: Membrane receptor proteins relay signals between the cell's internal and external environments. Transport proteins move molecules and ions across the membrane.
Explanation:
they help transport some substances through the membrane.
Answer;
Antibodies.
The human immune system fights infection by releasing antibodies.
Explanation;
The immune system acts to defend the body against pathogens such as viruses, bacteria and fungi that may cause a disease.
It does so using various types of mechanism, one is by the production of antibodies.
Antibodies are proteins that are produced by the B-cell and are used by the immune system to identify and neutralize pathogens.
These antibodies also activates proteins known as complements which assist in the killing of bacteria, viruses and the infected cells.
Biomolecules include large macromolecules (or polyanions) such as proteins, carbohydrates, lipids, and nucleic acids, as well as small molecules such as primary metabolites, secondary metabolites, and natural products. A more general name for this class of material is biological materials.
Answer:
O seletor quer saber a ação da pessoa.
Explicação:
O seletor pede que a pessoa descreva como ela se comportaria em uma determinada situação ou trabalharia em um caso, porque o seletor quer saber sobre o comportamento e a inteligência da pessoa para lidar com a situação. o selecionador também quer treiná-lo porque essas situações vão vir na vida profissional dele então ele tem a informação e a experiência de como lidar com isso.
The answer is D because this would help them to survive and is equal to natural selection