Answer:
consisting of one new and one old chain of nucleotides. 
is described as semi-conservative, half of the chain is part of the original DNA molecule, half is brand new.
 
        
             
        
        
        
Answer:
B
Explanation:
The statement typically depicts Ohm's law which can be mathematically represented as, I = V/R or V = IR. This representation means that as the current increases, the voltage also increases. 
 
        
                    
             
        
        
        
During exercise there is an increase in physical activity and muscle cells respire more than they do when the body is at rest. The heart rate increases during exercise. The rate and depth of breathing increases - this makes sure that more oxygen is absorbed into the blood, and more carbon dioxide is removed from it.
        
             
        
        
        
Answer:
Menstruation, the follicular phase, ovulation and the luteal phase. 
Explanation:
Menstruation, the follicular phase, ovulation and the luteal phase are the four events or phases of the menstrual cycle. Luteinizing hormone, follicle-stimulating hormone, and the female sex hormones i.e. estrogen and progesterone are the types of hormones that controls the uterine cycle. Each event in the uterine cycle has its own significance in the female body.