Answer:
The correct answer is - А. experiment.
Explanation:
An experiment is a type of research method used for scientific investigation to check how a natural phenomenon works and how a particular variable affected by causing or manipulating one variable.
The affected variable called the dependent variable and the variable that is changed is called the independent variable. Other than independent variables other variables should be controlled so there would be no influence on the result other than independent varibles.
Answer:
Up to 24-48 hours
Explanation: according to the FDA
The IA allele encodes the A blood group antigen, IB allele encodes B, whereas, i encodes O blood group antigen.
<h3>What is antigen?</h3>
Any substance that causes the body to make an immune response against foreign substance. Antigens include toxins, chemicals, bacteria, viruses etc that come from outside the body.
So we can conclude that the IA allele encodes the A blood group antigen, IB allele encodes B, whereas, i encodes O blood group antigen.
Learn more about antigen here: brainly.com/question/7597406
Answer:
it's a structure of distinctive morphology and function, includes nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes, and the cytoskeleton
