If the cell were a factory, the lysosomes would function as the maintenance crew. The lysosome breaks down the enzymes and keeps the cell from working. The  factory can not operate without the maintenance crew. The maintenance crews make sure that the factory is well conditioned to work.
        
             
        
        
        
It can be called<span> a draw, a wash or a gulch</span>
        
                    
             
        
        
        
Answer:
Option-B 
Explanation:
Heredity refers to the passing of the traits from the parents to the offsprings or generation and also known as inheritance and Genetic variation is the difference in the genetic material in population which leads to the formation of a variety of traits.
Since the variation in traits is determined by factors (Gregor Mendel) later called "genes" which are passed on to the offsprings, therefore, the branch of biology which studies the pattern of inheritance and variation is known as "Genetics". Gregor Mendel is known as the Father of Genetics.
Thus, Option-B is the correct answer.
 
        
             
        
        
        
One is in the area of psychopharmacology where drugs have been used to calm disorders in mood, sensation, thinking, and behavior. Second, the study of biological rhythms and sleep have been used to manage cases of insomnia. Thirdly, this overlap has helped Improve learning language and cognition in children with autism.
        
             
        
        
        
Answer:
you need a pic, no one knows what you're talking about