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Answer:
A) Protein kinases activate enzymes by phosphorylating or adding phosphate groups to them. Protein phosphatases dephosphorylate or remove phosphate groups from enzymes, including protein kinases.
Explanation:
Protein kinases are enzymes that have the ability to modulate other enzymes (or some other proteins) by adding the phosphate group. This is known as phosphorilation process. As a result of structural change, protein can change its activity (phosphorilation usually increase the activity).
Phosphatases are enzymes with opposite function, they remove phosphate group from the protein causing different effect.
no. a person cannot be carrier of a dominant genetic disorder. if a certain disorder is a result of dominant gene both the homozygous and heterozygous individuals are sick and no one of them is carrier. The carrier state is seen only in a situation where genetic disorder is expressed when individuals inherits recessive alleles each from each parent. for someone to be a carrier in this situation, he/she must be heterozygous for certain disorder that is only expressed when an individuals is homozygous of recessive allelles.
