The density of the atmosphere the light is travelling through will bend the light.
An antigen is a biomolecule, such as a protein or sugar, that binds to a specific antibody. An antibody/antigen interaction may stimulate an immune response. Not every biomolecule is antigenic and not all antigens produce an immune response. B cells are the major cell type involved in the humoral immune response.
Answer:
mutations are sometimes helpful, sometimes harmful and sometimes neutral
Explanation:
Answer:
The correct answer is option c. "an actin filament with its associated troponin complex and tropomyosin".
Explanation:
Thin filament are a structural component of the muscle comprised mainly of the protein actin, but also it contains the proteins troponin and tropomyosin. The thin filament is approximately 7-9 nm in diameter and are attached to the z discs of the striated muscle. Each component of the thin filament participates in different processes to allow for muscle contraction.