Can I see the models?? I don´t know what the cactus looks like/
        
             
        
        
        
I think number the first one iss grape fruit and the other one is cerebellum
        
             
        
        
        
Answer:
Explanation:
Type 2 diabetes is a disease in which blood sugar levels are above normal. High blood sugar is a major cause of heart disease, kidney disease, stroke, amputation, and blindness. In 2009, diabetes was the seventh leading cause of death in the United States.
 
        
                    
             
        
        
        
Answer:
The bonds that are formed between nitrogenous bases are Hydrogen Bond.
Explanation:
When a hydrogen atom  interract with an electronegative atom such oxygen,fluorine hydrogen bond forms,
               A single hydrogen bond is weak noncovalent bond but collectively  they exerts  very strong interraction.
             Hydrogen bonding occurs between complementary base pair .For exam An adenine base forms 2 hydrogen bonds with thymine base whereas guanine forms 3 hydrogen bonds with cytosine base.
              The hydrogen bonding between complementary is very much important to stabilize the structure of DNA .