Bio

Question 1

What’s the difference between facilitated diffusion and osmosis

Answer 1

Facilitated diffusion is the movement of a molecule from an area of high conc.to an area of low conc. With the help of a protein channel or carrier.osmosis is the diffusion of water through a semi permeable membrane

Question 2

Monoonal antibodies Def.

Answer 2

An antibody produced by a single clone of cells or cell line and consisting of identical antibody molecules

Question 3

What is an antigen

Answer 3

A toxin or other foreign substance which induces an immune response in the body,especially the production of antibodies

Question 4

How do phagocytes present cells

Answer 4

When a pathogen is detected,these ,phagocytes will phagocytose the pathogen to form many different fragments of the antigen called dendritic cells peptides and macrophages and presented on the surface

Question 5

Its prophase cos chromosomes are condensed

Answer 5

Its prophase cos chromosomes are condensed

Question 6

Second one is anaphase

Answer 6

Second one is anaphase

Question 7

1224

Answer 7

1224