I think the cytoskeletal protein that helps a cell maintain its shape is actin.
Answer:
English scientist Robert Hooke published Micrographia in 1665. In it, he illustrated the smallest complete parts of an organism, which he called cells. theory that all organisms are made of cells, which are the basic structural units of life
The right answer is the second one
It allows cells and antigen presenting
cells to present a large range of antigens (in the range if millions) to T cells so there is an appropriate
immune response against the invading pathogen
or cancer. This is possible without changing or having many types of MHC
complexes.
The correct answer is a molecule.
It is relevant to consider the compositions of the body in terms of basic levels of the organization, which enhance in complexity: subatomic particles, atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, and biosphere.
The voltage-gated sodium channels come under the molecule level of structural organization. It plays an essential role in action potentials.
