X shaped chromosomes are linked together at a place called the centromere
Answer:
The overall three-dimensional structure of a polypeptide is called its tertiary structure. The tertiary structure is primarily due to interactions between the R groups of the amino acids that make up the protein. ... These include hydrophobic interactions, ionic bonds, hydrogen bonds, and disulfide bridge formation.
Center of nucleus that stores materials for making ribosomes
Answer:
Explanation:
Your heart is racing because you're breathing hard and trying to catch your breath which makes your lungs expand and contract quickly. By sweating your body is trying to reach homeostasis by cooling you off. Just a simple explanation.