Answer:
Abiotic factors will Define which organisms are able or not to live in a specified place. The living organisms will constitute the biotic factors, which Define if and how can an organism live in a specified environment. So, the abiotic factors are controlling the biotic factors of an environment.
Explanation:
 
        
                    
             
        
        
        
Answer:
A proton Pump, using ATP, pumps protons outside
A steady proton gradient with a higher concentration of H+ out of the cell is maintained by the proton pump.
pH decreases;
The gradient becomes sufficient.
H+ moves down electrochemical gradient into the cell; Sucrose moves into the cell.
Explanation:
A proton Pump, using the energy of ATP hydrolysis, pumps protons outside the cell.
A steady proton gradient with a higher concentration of H+ out of the cell is maintained by the proton pump.
The continues outward pumping of protons by the proton pump causes the pH of the extracellular fluid to decrease
At some point the gradient becomes sufficient, and pH reaches a steady slightly acidic level.
H+ moves down its electrochemical gradient into the cell together with Sucrose through the hydrogen ion-sucrose co-transporter.
 
        
             
        
        
        
Answer:
<em>Endothermic reactions:  separation of solute molecules , separation of solvent molecules</em>
<em>Exothermic: formation of solute-solvent interactions</em>
Explanation:
An endothermic reaction can be described as a reaction which requires energy. Usually, the energy is taken in the form of heat from the environment. For example: the separation of solute and solvent molecules.
An exothermic reaction can be described as a reaction in which energy is released during a reaction. For example, a solute and a solvent reaction. Energy is usually released in the form of heat during an exothermic process.
 
        
             
        
        
        
A frame-shift mutation would occur. This is because a
deletion will cause a change in codon sequence from the point of mutation to
the end of the mRNA.  If the mutation is
closer to the start of the mRNA, the larger the effect of the mutation on the
translated protein. 
 
        
             
        
        
        
Answer:
a point in time, event, or experience when one has a sudden insight or realization: