Answer:
DNA is a double stranded molecule that belongs to a group of larger molecules (macromolecules) called NUCLEIC ACIDS.
Nucleic acids are formed by joining together many smaller molecules called NUCLEOTIDES.
Nucleotides consist of:
- Pentose sugar (pentagon)
- Phosphate group (circle)
- Nitrogenous (rectangle)
        
             
        
        
        
Answer:
A
Explanation:
This is because those items are the actual required ones when it comes to building the molecule DNA.
 
        
             
        
        
        
Answer:
Human has 4 chambers, and most reptiles have 3 chambers in their heart
Explanation:
your question in Romanian translated roughly What is the difference between a human and reptile circulatory system?
 
        
             
        
        
        
Answer:
3.page is this that answer
Explanation:
a.1,2,3,4
 
        
             
        
        
        
It uses the water to evaporate