Answer:
It's AUC. 
Thymine is substituted by Uracile in RNA and it's complementary to Adenine. Citosine is complementary to Guanine 
 
        
             
        
        
        
Spontaneous mutations in the bacterias DNA
 
        
             
        
        
        
<span>The answer to coprolites may contain fragments of undigested food, and thus provide valuable information about the feeding habits of fossil organisms is true. </span>
        
                    
             
        
        
        
Answer:

Explanation:
The distance to the Sun is 5,890,000,000,000. We need to write this distance in km. 
A number can be written as  in scientific notation where x is a real no and y is any integer.
 in scientific notation where x is a real no and y is any integer.
There are 10 zeros in the given number and also there are 12 digits after. It would mean that,

So, the distance in scientific notation is : 
 
        
             
        
        
        
Answer:
permeability
Explanation:
dictionary definition: the state/quality of a material or membrane that causes it to allow liquids or gases to pass through it
in biology we use this term to describe the cell membrane, it is "semi-permeable" because it allows certain gasses and molecules to pass through