The correct answer is D- the balance between the concentrations inside and outside a cell
        
             
        
        
        
Answer:
Only 1.5 percent of human genome codes for proteins.
Explanation:
This means that anywhere from 98-99% of our entire genome must be doing something other than coding for proteins – scientists call this non-coding DNA. 80 percent of the genome has a “biochemical function”.
 
        
             
        
        
        
Answer:
Horses are diphyodontous, erupting a set of first deciduous teeth (also known as milk, temporary, or baby teeth) soon after birth, with these being replaced by permanent teeth by the age of approximately five years old.
Explanation:
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Answer:
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All living cells need energy to function in order for the chemical reactions occurring in the cells to take place. In humans this energy is obtained by breaking down organic molecules such as carbohydrates, fats and proteins.