Answer: fluorescence
resonance energy transfer
<span>The G-protein-coupled
receptor kinases function to regulate cell signaling by phosphorylating hepta-helical
receptors, thereby promoting receptor interaction with beta-arrestins. This
switches a receptor from G-protein activation to G-protein desensitization,
receptor internalization, and beta-arrestin-dependent signal activation that
can be seen through<span> fluorescence
resonance energy transfer .</span></span>
 
        
             
        
        
        
Chromosome is part of a cell that carries hereditary material inform of genes, it contains DNA molecules tightly packed around histone proteins. X and Y are the sex chromosomes which influences the sex of an individual. Chromosome 21 is the smallest autosome in the human genome and exists in two pairs one inherited from either parent. In this case, the answer is the Y chromosome; sex is determined by the SRY gene which is responsible of the fetus to male. Other genes on the Y chromosome  are important for male fertility.
        
             
        
        
        
Answer: Fat
Explanation:
The liver is one of the most important organ of the body which helps in removal of toxins from the body.
There are many functions of liver in the body but one of the main functions is that it aids in the digestion of fat by secreting bile juice.
It also processes the nutrients that is being digested and absorbed in the small intestine. The bile juice that is secreted by the liver is sent via duct to the stomach which helps in emulsification of fat.
It breaks down the large fat molecules into droplets called micelles. It also activates the enzyme named lipase which also helps in the digestion of fat.
So, blockage in the hepatic duct will interfere with the digestion of fat.
 
        
             
        
        
        
Induced Fit. When an enzyme binds to the appropriate substrate, subtle changes in the active site occur. This alteration of the active site is known as an induced fit. Induced fit enhances catalysis, as the enzyme converts substrate to product.
        
             
        
        
        
Answer:
Only if one of individual has incomplete dominance.  
Explanation:
Using a Punnet square, only if one individual has incomplete dominance could have this ration.   Otherwise, if the 2 individuals had a homozygous phenotype, whit one individual for dominant and the other for recessive, the ratio would be all purple.