The DNA is used by special proteins, called histones to make chromatin. The chromatin condenses even more, then forming chromosomes. This means chromatin is lower order of DNA organization and chromosomes are higher in it.
Answer:
Explanation:
The immune system protects the body from possibly harmful substances by recognizing and responding to antigens. Antigens are substances (usually proteins) on the surface of cells, viruses, fungi, or bacteria. Nonliving substances such as toxins, chemicals, drugs, and foreign particles (such as a splinter) can also be antigens. The immune system recognizes and destroys, or tries to destroy, substances that contain antigens.
Your body's cells have proteins that are antigens. These include a group of antigens called HLA antigens. Your immune system learns to see these antigens as normal and usually does not react against them.
Natural selection is the process by which evolution occurs
It could either be B or C
Answer:
To help ribosomes make proteins
