The protein products of tumour suppressor gene may
Be present in non-cancerous cells
Cause signal cell death
Regulate the cell cycle
All of the above
In mammals, histamine is secreted by
Fibroblasts
Histocytes
Lymphocytes
Mast cells
D.
Mast cells
Histamine is a potent vasodilator formed by decarboxylation of the amino acid histidine and released by mast cells in response to appropriate antigens.
Mast cells which secrete histamine are especially prevalent in the connective tissue of the skin and respiratory tract and in surrounding blood vessels.
Active immunity means
Resistance developed after disease
Increasing quantity of blood
Resistance developed before the disease
Increasing rate of heart beat
Which of the following is mismatched?
Vitamin K- Beriberi
Vitamin D-Rickets
Vitamin C - Scurvy
Vitamin A-Xerophthalmia
Secondary body cavity with segmented mesodermal lining is called
Haemocoel
Neurocoel
True Coelom
Pseudocoelom
Sir Godfrey Hounsfield developed the diagonosi technique of
CT scanning
MRI
Endoscopy
Bronchoscopy
Sporogony of malarial parasite occurs in
liver of man
RBCs of man
salivary glands of mosquito
stomach wall of mosquito