Which of these organelle functions as the digestive system of the cell ?
(A) Mitochondria
(B) Rough endoplasmic reticulum
(C) Golgi apparatus
(D) Lysomes
During phagocytosis the metabolic process called respiratory burst involves activation of_____________?
(A) Oxidase
(B) Hydrolase
(C) Peroxidase
(D) Dehydrogenase
A relatively component of the electron transporting respiratory chain is_____________?
(A) Flavoprotein
(B) Cytochrome Cl
(C) Ubiquinone
(D) Cytochrome A
Which of the following is false about starvation ketoacidosis ?
(A) Metabolic acidosis
(B) Smell of acetone in breath
(C) Benedict’s test +ve
(D) Rothera’s test is +ve
In Cytochrome p450, P stands for____________?
(A) Structural proteins
(B) Substrate protiens
(C) Pigment
(D) Polymer
Which of the following about biological membrane is true ?
(A) Lipid moiety is amphipathic
(B) Rigid assembly of protein, lipid and carbohydrate
(C) Symmertrical bi leaflet structures
(D) Lipid and protein moiety are held by covalent interactions
To keep blood PH at 7.4 the HCO3 : H2CO3 ratio should be_____________?
(A) 20 : 1
(B) 30 : 1
(C) 15 : 1
(D) 1 : 1
The main function of mitochondria is______________?
(A) Protein synthesis
(B) Oxidation
(C) Electron transfer
(D) Fat synthesis
Cell membrane consists of_________________?
(A) Lipids and proteins
(B) Lipids only
(C) Protein only
(D) None of the above