EVERYDAY SCIENCE

SCIENCE

VIRUS AND BACTERIA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A protein that can attach to a pathogen and make it useless is ____
A
a virus
B
a bacteria
C
a vaccine
D
an antibody
Explanation: 

Detailed explanation-1: -Antibodies are made to attach to certain proteins on the surface of an invading organism, called antigens. By sticking to these antigens, antibodies block the invader’s ability to replicate, and enter cells, thereby rendering the invader useless.

Detailed explanation-2: -Immunoglobulins are basically proteins that function as antibodies. The terms antibody and immunoglobulin are often used interchangeably. Immunoglobulins are found in blood and other tissues and fluids. They are made by the plasma cells that are derived from the B cells of the immune system.

Detailed explanation-3: -Antibody – A protein created by B cells in direct response to specific antigens. An antibody attaches itself to its respective antigen, marking it for other immune cells to “see” and destroy. Antigen – A protein produced by a cell, virus or bacteria.

Detailed explanation-4: -Definition. An antibody is a protein component of the immune system that circulates in the blood, recognizes foreign substances like bacteria and viruses, and neutralizes them.

There is 1 question to complete.