1. We share certain cells with other animals. In birds, these cells are formed in the bursa of Fabricius. Name these cells.
2. Differentiate between plasma and serum.
3. State the different proportions (in %) that each neutrophil is present in the blood.
neutrophil
eosinophil
basophil
lymphocyte
monocyte
I will be happy to check your work...but do it for you, I already took the course.
3.State the different proportions (in %) that each neutrophil is present in the blood.
Neutrophil 60-70%
Eosinophil 2-4%
Basophil 0.5-1%
Lymphocyte 20-25%
Monocyte 3-8%
is this correct?
yes. The following phrase may help you with this task of remembering the order: Never Let Monkeys Eat Bananas (neutrophils, lymphocytes, monocytes, eosinophils, basophils).
thank you....
2.Serum is that part of blood which is similar in composition with plasma but exclude clotting factors of blood. Fibrinogen is a protein that is involved in blood coagulation. Fibrinogen is an inactive protein and it performs its functions by converting into fibrin. Plasma is considered as the medium of blood in which Red Blood Cells, White Blood Cells and other components of blood are suspended .
are these correct?
I am still doomed with number one please assist.
1. The cells in question are called B cells or B lymphocytes. To arrive at this answer, you need to have basic knowledge of animal biology and specifically the avian anatomy. The bursa of Fabricius is a lymphoid organ found in birds and essential for B cell development. Knowing this information, you can deduce that the cells formed in the bursa of Fabricius are B cells.
2. Plasma and serum are two components of blood that differ in their composition. To understand the difference, you can break it down as follows:
- Plasma: Plasma is the liquid component of blood that remains after the clotting factors have been removed. It contains water, proteins (such as albumin and fibrinogen), hormones, electrolytes, and various other substances. Plasma is collected by anticoagulating the blood sample with substances such as heparin or EDTA to prevent clotting.
- Serum: Serum is the liquid component of blood that remains after coagulation has occurred. It is similar to plasma but lacks fibrinogen and other clotting factors. Serum is obtained by allowing the blood sample to clot and then centrifuging it to separate the solid components (blood cells and the clot) from the liquid.
In summary, the key difference is that plasma is the liquid component of non-clotted blood, while serum is the liquid component obtained after blood coagulation.
3. The different proportions of each type of neutrophil present in the blood are as follows:
- Neutrophil: Neutrophils are a type of white blood cell and are the most abundant type of granulocyte. They make up around 40-75% of the total white blood cell count in the blood.
- Eosinophil: Eosinophils are another type of white blood cell and typically account for around 1-6% of the total white blood cell count.
- Basophil: Basophils are the least common type of white blood cell and make up less than 1% of the total white blood cell count.
- Lymphocyte: Lymphocytes are another type of white blood cell and can be further categorized into T cells, B cells, and natural killer (NK) cells. They typically account for around 20-40% of the total white blood cell count.
- Monocyte: Monocytes are a type of white blood cell that can differentiate into macrophages upon entering tissues. They usually make up around 2-10% of the total white blood cell count.
Please note that the percentages mentioned here are approximate ranges and can vary depending on various factors such as age, underlying health conditions, and specific circumstances.