Answer:
I believe the answer is C
 
        
                    
             
        
        
        
Answer:
in eukaryotic cells, the cytoplasm includes all of the material inside the cell and outside of the nucleus. All of the organelles in eukaryotic cells, such as the nucleus, endoplasmic reticulum, and mitochondria, are located in the cytoplasm.
Explanation:
 
        
             
        
        
        
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.
 
        
             
        
        
        
The earth rotates on its axis
        
             
        
        
        
In the two-stage cooling method, time allowed to cool food from 135 degrees F or more to 70 degrees F or less can be four to six hours.