A Survey of Blood Cells
The production of blood cells, knownas hemopoiesis, or hematopoiesis, *
begins early in embryonic development in the yolk sac (an embryonic membrane).
Later, it is taken over by the liver and lymphatic organs, and it is finally a
1.Analitical reactions and requirements that they must meet.
By qualitative analytical reactions are those chemical reactions that are
accompanied by specific analytical signal: formation of characteristic sediments,
stained compounds that release gases t
Laboratory Exercise: Production of Cheese
Cheese is a highly proteinaceous food made from the milk of some herbivores.
Cheese is believed to have originated in the warm climates of the Middle East some
thousands of years ago, and is said to hav
Laboratory exercise: Serial dilutions
Specimen Preparation and Processing
The most frequently encountered specimen in immunological testing is
serum. Blood is collected aseptically by venipuncture into a clean, dry, sterile tube.
Care must be taken to avo
History of Microbiology
8. On soybean which of the following forms
a. Azatobactor paspali
1. According to Pasteur statements which
one of the following is true
a. Living organisms discriminate between
Blood sampling and blood film preparation and examination
There appears to be no effective postexposure prophylaxis for hepatitis C infection , but the consensus view
is that interferon therapy is indicated in acute infection,
including that acquired
Laboratory exercise: Identification of Lymphoid Cells in Blood Smears
and Tissue Sections
Blood cells undergo progressive differentiation from stem cells originating in
the bone marrow. In the presence of differentiation inducing growth facto
There are 5 types of heavy chain constant regions in antibodies. The 5 types - IgG, IgM, IgA, IgD, IgE - (isotypes) are classified according to the
type of heavy chain constant region, and are distributed and function differently in the body.
IgG is the m
Laboratory Protocols in Applied Life Sciences
3. Inoculate a flask containing 100 mL sterilized medium B with a loopful of young
culture and incubate at 26C in a shaker until it contains 2 108 rhizobia/mL. Pour
1 mL of medium over the first one and in