Related Questions

The examples of active transport are
A Na+- K+ pump in cell membrane
B Na +- H+ exchange in distal convoluted tubular cells
C Na+ linked glucose uptake by the enterocytes
D Cl-- HCO3- exchange in RBC membrane
E Na+- K+ leaking in the cell membrane
Examples of liquefactive necrosis include
A Pus formation
B Ischaemic brain necrosis
C Ischaemic colitis
D Tumor necrosis
E Vessel necrosis in vasculitis
Examples of aneuploidy include
A Down syndrome
B Turner Syndrome
C Superfemale
D Marfan Syndrome
E Angelman Syndrome
Examples of premalignant condition include
A Endometrial hyperplasia
B Leukoplakia
C Villous adenoma of colon
D Nodular hyperplasia of prostate
E Carcinoma in situ
Primary active transport of hydrogen ion proton pump occurs in
A Gastric glands
B Cortical collecting ducts of the kidneys
C Osteoclasts of bone
D Ventricles of the brain
E Capillaries in the lungs
Secondary active transport
A Allows the movement of molecules against their electrochemical gradients.
B Allows the movement of molecules by conformational changes is carrier proteins.
C Uses energy created by electrochemical gradient.
D Uses cellular ATP.
E Is a form of passive transport.
Which one of the following is active transport?
A It is the movement of a substance against a diffusion gradient with the use of energy from respiration
B It is the movement of a substance against a diffusion gradient without the use of energy
C It is the movement of a substance against a diffusion gradient with the use of energy from photosynthesis
D It is the movement of a substance along a diffusion gradient with the use of energy from respiration
Transport proteins include
A Transferin
B α-feto protein
C Ferritin
D Haptoglobin
E β2-microglobuiin
In each of the following questions, a sentence has been given in Active (or Passive) voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive (or Active) voice :- I know him.
A He is known by me.
B He was known to me.
C He has been known by me.
D He is known to me.
The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances. This is the
A Lewis-Randall rule
B Statement of Vant-Hoff equation
C Le-Chatelier's principle
D None of these

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