The correct option is B.
The shapes of enzymes are very important because their shapes determines the kind of chemical reactions that they can catalyse. This is because the substance been catalyzed must fit into the active sites of the enzyme that is been used. In a situation where an enzyme becomes denatured, such an enzymes losses its original shape and this remove from it the capacity to catalyze chemical reactions, thus, it becomes non functional.
Answer:
keratin.
Explanation:
<em>keratin is a fibrous protein that has protective and structural functions in the body. </em>
<em>to fulfil it's functional necessities keratin has characteristics that makes it insoluble and repellent to damage.</em>
<em>to fulfil it's functional necessities keratin has characteristics that makes it insoluble and repellent to damage.in the human body, keratin can be present in - hair and finger nails. </em>
hope it helps. :)
Answer/Explanation:
Blue eyes have less melanin than brown eyes. Melanin helps vision and hearing. It also affects behaviors and balance.
This means Brown eyes are healthier than blue eyes.
Studies have shown even for cats that if they have white fur and blue eyes(lack of melanin) that they would have a 90% chance of being born deaf.
Answer:
Cell differentiation
Explanation:
Cell differentiation is common with multicellular organisms. It is the process by which a cell changes from one cell form to another. Cell differentiation makes the change from a zygote to a complex system with different parts.Cells which have been differentiated also becomes specialized. Complex multicellular animals and plants would not be in existence without specialization. This is because cells have specialized functions and each cell is very important to the survival of the organism.
The FDA requires retention of investigational drug study records for The answer is C. At least two years after the investigational drug's approval by the FDA
An investigator shall retain records needed to be preserved under this part for a period of two years following the date a marketing operation is approved for the drug for the explanation for which it is being investigated
