I would say A, B D are the correct answers 
 
        
                    
             
        
        
        
Explanation:
The exchange of gases between the blood and tissue cells is internal respiration. Finally, the cells utilize the oxygen for their specific activities: this is called cellular metabolism, or cellular respiration. Together, these activities constitute respiration.
 
        
                    
             
        
        
        
Answer:
Option C thymine is a pyrimidine base in DNA
Explanation:
 
        
                    
             
        
        
        
Answer:
a complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport.
 
        
                    
             
        
        
        
Answer:
mRNA: UUGGACCGGUACCUG
Codon: UUG GAC CGG UAC CUG
Anti-codon: AAC CUG GCC AUG GAU
Amino Acids: Asn-Leu-Ala-Met-Asp