Science and Technology › Genetics,Biotechnology

Consider the following statements :
DNA Barcoding can be a tool to :
1. assess the age of a plant or animal.
2. distinguish among species that look alike.
3. identify undesirable animal or plant materials in processed foods.
Which of the statements given above is/are correct ?

Consider the following statements :
1. Biofilms can form on medical implants within human tissues.
2. Biofilms can form on food and food processing surfaces.
3. Biofilms can exhibit antibiotic resistance.
Which of the statements given above are correct?

Which one of the following statements best describes the role of B cells and T cells in the human body ?