The answer would be D.: <span>Helicases separate the two strands of the double helix, and DNA polymerases use each of the original strands as templates to create two new strands. :)</span>
        
             
        
        
        
1. Carbohydrates
(There are 3 sources of calories (or energy), which are also known as macronutrients: carbohydrates, protein, and fat.
Of these three, carbohydrates are the body’s preferred source of energy. Carbohydrates break down into glucose, which is an immediate source of energy.)
2.
A. Bone is not a type of human body tissue.
(The human body does has 4 types of tissue: Epithelial, muscle, connective and nervous tissue).
        
                    
             
        
        
        
Answer: Example for multiple alleles is human blood type 
Explanation:
Blood types exsist as four possible phenotypes A,B,AB, and O .
 
        
                    
             
        
        
        
Answer:It is called The Foramen Magnum
Explanation: It is a large oval opening linking the Spinal cord and the Brain
Hope this helps : )
 
        
             
        
        
        
There is proof of millions of other galaxies, and there is hope for other life, but there is no real knowing of other life in any other galaxy than ours.