Organisms need nutrients in order to living organism
B. Hydrogen bonds make the positive sides of water molecules stick to each other
Explanation:
in the circumstances in which the attempts do not contravene the ethical and judicial laws.
Answer:
Active transport is the movement of particles from an area of low concentration to an area of high concentration using a force.
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.