The answer is 9 because to find the amount of neutrons you have to take away the atomic number from the mass
At least 12 million years ago?
Answer:
Underground mining has lower rates of fatal and nonfatal injuries than surface mining.
Answer:
Enhance: calcium ions, fibrinogen, serum, thrombin, tissue factor.
Inhibit: heparin, thrombin, coumadin, vitamin K8, PF3, aspirin.
Explanation:
Hope it helps.
Answer:
C) Primary, tertiary and quaternary levels of protein structure
Explanation:
Primary structure; Covalent bond is present in form of peptide bond in the primary structuture of proteins. The amino acids are held together in the polypeptide chain by peptide bond.
Tertiary structure; Disulfide bonds are present between cysteine amino acids, that keeps the parts of polypeptide chain strongly attached to one another.
Quaternary structure; The Quaternary structure of protein is held together by hydrophobic interaction and disulfide bonds.
