It has an alternating chemical phosphate and sugar backbone, making the ‘sides’ of the ladder.
        
             
        
        
        
Prokaryotes are unicellular (single-celled) organisms and on the other hand Eukaryotes are multicellular organisms and more developed in organ and structure compared to prokaryotes. Gene regulation is key to both organisms as it determines growth and development and other process and activities performed by the organism. However, the two organisms differ in the way they regulate their genes. Prokaryotes cells lack nucleus while the eukaryotic cells have a well defined nucleus. In Prokaryotes RNA transcription and protein formation occur almost simultaneously while in the Eukaryotes RNA transcription occur before the protein formation in the nucleus and then protein formation occurs in the cytoplasm. In addition both organisms uses the same processes in gene regulation  and only differ in the manner the processes are undertaken. Lastly, gene expression in prokaryotes is regulated at transcriptional level whereas in eukaryotes regulation is at many levels.
        
             
        
        
        
What controls what molecules pass in and out of a cell? 
        
             
        
        
        
Answer:
Estimated size is 1600
Explanation:
Given data:
Size of lake is 250 hectares
Total number of trout who netted is 400
Total number of trout in next week is 200
Total number of trout having fin clip 50
estimation population size is estimated by mark rupture as follow
Estimated population size 
Estimated size
Estimated size is 1600
 
        
             
        
        
        
On Ed-genuity, the answer is D) medical books
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