I think the correct answer from the choices listed above is option A.
Tuber is considered as a modified stem. These type of stems carry out
special functions that are important for the plant to survive. Tubers
serves as a food reserve and bearing buds wherein new plants can grow.
Hope this helps!
~Lena~
        
             
        
        
        
Answer:
the answer is this 
Explanation:
hope this help 
good luck for your homework 
 
        
             
        
        
        
Answer:
True
Explanation:
Diffusion is a passive process (no energy required)  in which the substance such as liquid and gases moves from an area of high concentration to an area of low concentration.
During respiration, carbon dioxide diffuses from the blood into the alveoli and oxygen diffuses from alveoli to blood across the respiratory membrane. The partial pressure of oxygen is low in the blood of the pulmonary capillaries and high in the alveoli. so diffusion allow movement of oxygen across the respiratory membrane from the alveoli into the blood.
Hence, the given statement is true.
 
        
             
        
        
        
Answer:
The results from this experiment conclude that all of the resulting bacteria contain the pUC18 plasmid without the human gene.
The method of genetic engineering might seem very easy but in actual it is a very difficult task and most of the time a person won;t get the expected results. The chances of a vector to actually take up a recombinant DNA are very less. Even after this, the chances of a recombinant plasmid to enter a bacterial cell by transformation are very few.