B i think!! hope this helped
        
             
        
        
        
A punnet square shows you the different possible combinations and trait outcomes of the alleles.
        
             
        
        
        
Explanation:
Water moves by osmosis 
Movement of water particles From high concentrate gradient to low concentration gradient according to the concentration gradient through a partially permeable membrane
Question is about IV right 
Answer is water moves into the cells
 
        
             
        
        
        
Answer:
reverse transcriptase (RT) is an enzymeused to generate complementary DNA (cDNA) from an RNA template, a process termed reverse transcription. Reverse transcriptases are used by retroviruses to replicate their genomes, by retrotransposon mobile genetic elements to proliferate within the host genome, by eukaryotic cells to extend the telomeres at the ends of their linear chromosomes, and by some non-retroviruses such as the hepatitis B virus, a member of the Hepadnaviridae.
Explanation:
 brainliest appreciated