Thymine
The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
        
             
        
        
        
Answer
Option B. This mutation will increase the sensitivity of the DPH receptor to voltage changes, which will induce continued muscle contraction.
Explanation:
Since the receptor stays open, it allows for calcium to be released from the sarcoplasmic reticulum and thus, enables muscle contraction to take place. 
Hope that answers the question, have a great day!
 
        
             
        
        
        
Answer:
A 
Explanation:
The The one that is appropriate is A because phytoplankton to fish is like the bacteria that is on the bottom of the floor in the water and the fish could eat that phytoplankton and then your shark and whale could eat the fish and get the phytoplankton so your answer is A
 
        
             
        
        
        
Answer:
The photosynthesis equation is as follows: 6CO2 + 6H20 + (energy) → C6H12O6 + 6O2 Carbon dioxide + water + energy from light produces glucose and oxygen. 00:00 00:00 Brought to you by Sciencing