Answer:
organisms have similar bone structure.
Explanation:
please make me brain list answer 
 
        
             
        
        
        
Answer: A protein's specific shape determines its function.
Explanation: If the three-dimensional structure of the protein is altered because of a change in the structure of the amino acids, the protein becomes denatured and does not perform its function as expected.
 
        
             
        
        
        
Answer:
 The sea floor magnetic field is layered in stripes of alternating north and south polarities. That tells us the polarity of the Earth while that particular stripe was being formed. This is how the ocean floor keeps track of the magnetic field.
Explanation:
this is the answer i have had this question on multiple tests and got it right hope this helps! :D
 
        
             
        
        
        
Answer:
To test the presence of protein in the food substance which gives a blue-to-purpule colour