Description : Which of the following statements regarding mitochondrial membrane is not correct ? (a) The outer membrane resembles a sieve. (b) The outer membrane is permeable to all kinds of molecules. (c) ... in the outer membrane. (d) The inner membrane is highly convoluted forming a series of infoldings.
Last Answer : (c) The enzymes of the electron transfer chain are embedded in the outer membrane.
Description : Which of the following statements regarding mitochondria is incorrect? (a) Mitochondrial matrix contains single circular DNA molecule and ribosomes. (b) Outer membrane is permeable to monomers of ... transport are embedded in outer membrane. (d) Inner membrane is convoluted with infoldings.
Last Answer : (c) Enzymes of electron transport are embedded in outer membrane.
Description : All of the following statements about the enzymic complex that carries out the synthesis of ATP during oxidative phosphorylation are correct except (A) It is located on the matrix side of the inner ... inhibited by oligomycin (C) It can exhibit ATPase activity (D) It can bind molecular O2
Last Answer : D
Description : Which of these statements is incorrect? (a) Enzymes of TCA cycle are present in mitochondrial matrix. (b) Glycolysis occurs in cytosol. (c) Glycolysis operates as long as it is supplied ... that can pick up hydrogen atoms. (d) Oxidative phosphorylation takes place in outer mitochondrial membrane
Last Answer : (d) Oxidative phosphorylation takes place in outer mitochondrial membrane
Description : Which of these statements is incorrect ? (1) Enzymes of TCA cycle are present in mitochondrial matrix. (2) Glycolysis occurs in cytosol. (3) Glycolysis operates as long as it is supplied ... that can pick up hydrogen atoms. (4) Oxidative phosphorylation takes place in outer mitochondrial membrane.
Last Answer : (4) Oxidative phosphorylation takes place in outer mitochondrial membrane.
Description : Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with Components : (i) Cristae of mitochondria (ii) Inner membrane of mitochondria (iii) Cytoplasm (iv) Smooth endoplasmic ... viii) (vi) (c) (vi) (v) (iv) (vii) (d) (v) (i) (iii) (ii)
Last Answer : (a) (v) (iv) (viii) (iii)
Description : Which of the following statements regarding cilia is not correct ? (a) Cilia contain an outer ring of nine doublet microtubules surrounding two singlet microtubules. (b) The organised beating of ... (c) Cilia are hair-like cellular appendages. (d) Microtubules of cilia are composed of tubulin
Last Answer : (b) The organised beating of cilia is controlled by fluxes of Ca2+ across the membrane.
Description : Which enzyme is located on the inner mitochondrial membrane
Last Answer : Which enzyme is located on the inner mitochondrial membrane A. Lactate dehydrogenase B. ... C. Isocitrate dehydrogenase D. Succinate dehyrgenase
Description : Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.
Last Answer : Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.
Description : The emtabolic pathway present in the inner mitochondrial membrane through which the electron passes from one carrier to another is called_____
Last Answer : The emtabolic pathway present in the inner mitochondrial membrane through which the electron passes from one carrier to another is called_____
Description : Which statement best describes the events that take place within the mitochondrial membrane?
Last Answer : ATP is produced for use by cells.
Description : Which of the following component of respiratory chain is not attached to the inner mitochondrial membrane? (A) Coenzyme Q (B) Cytochrome c (C) Both (A) and (B) (D) None of these
Last Answer : Answer : C
Description : The chemical inhibiting oxidative phosphorylation, Adependent on the transport of adenine nucleotides across the inner mitochondrial membrane is (A) Oligomycin (B) Atractyloside (C) Dinitrophenol (D) Pentachlorophenol
Last Answer : Answer : B
Description : The redox carriers are grouped into respiratory chain complex (A) In the inner mitochondrial membrane (B) In mitochondiral matrix (C) On the outer mitochondrial membrane (D) On the inner surface of outer mitochondrial membrane
Last Answer : Answer : A
Description : Mitochondrial membrane is freely preamble to (A) Pyruvate (B) Malate (C) Oxaloacetate (D) Fumarate
Description : Long chain fatty acyl CoA esters are transported across the mitochondrial membrane by (A) cAMP (B) Prostaglandin (C) Carnitine (D) Choline
Description : Mitochondrial membrane is permeable to (A) Short chain fatty acids (B) Medium chain fatty acids (C) Long chain fatty acids (D) All of these
Description : Carnitine acylcarnitine translocase is present (A) In the inner mitochondrial membrane (B) In the mitochondrial matrix (C) On the outer surface of inner mitochondrial membrane (D) On the inner surface of inner mitochondrial membrane
Description : Oxidation of fatty acids occurs (A) In the cytosol (B) In the matrix of mitochondria (C) On inner mitochondrial membrane (D) On the microsomes
Description : Long chain fatty acids penetrate the inner mitochondrial membrane (A) Freely (B) As acyl-CoA derivative (C) As carnitine derivative (D) Requiring Na dependent carrier
Description : Electron transport and phosphorylation can be uncoupled by compounds that increase the permeability of the inner mitochondrial membrane to (A) Electrons (B) Protons (C) Uncouplers (D) All of these
Last Answer : B
Description : Enzymes catalyzing electron transport are present mainly in the (A) Ribosomes (B) Endoplasmic reticulum (C) Lysosomes (D) Inner mitochondrial membrane
Description : Where is respiratory electron transport system (ETS) located in plants ? (a) Mitochondrial matrix (b) Outer mitochondrial membrane (c) Inner mitochondrial membrane (d) Intermembrane space
Last Answer : (c) Inner mitochondrial membrane
Description : The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP) is formed because (a) a proton gradient forms across the inner membrane (b) there is a ... mitochondrial proteins (d) ADP is pumped out of the matrix into the intermembrane space.
Last Answer : (a) a proton gradient forms across the inner membrane
Description : Oxysomes or F0 – F1 particles occur on (a) thylakoids (b) mitochondrial surface (c) inner mitochondrial membrane (d) chloroplast surface.
Last Answer : (c) inner mitochondrial membrane
Description : The electron transport chain within the inner mitochondrial membrane creates a gradient of ____________ across the inner membrane which is utilized to drive the activity of ATP synthase and the generation of ATP.
Last Answer : Hydrogen (H+ ions) or protons
Description : Which of the following statements regarding the complement system are true? a. Complement activation yields products which are directly cytotoxic as well as products which act indirectly via activated ... and classical pathways converge proximal to generating the membrane attack complex (C5b-9)
Last Answer : Answer: a, d The complement system is composed of two different but linked sequences, the classic and alternative pathways. The pathways involve serum proteins that act to amplify the inflammatory-immune ... the C5 level proximal to generating the membrane attack complex (C5b-9) (Figure 6-3)
Description : All of the following statements about nonsense codons are true except (A) They do not code for amino acids (B) They act as chain termination signals (C) They are identical in nuclear and mitochondrial DNA (D) They have no complementary anticodons
Description : All the following statements about acetyl CoA carboxylase are true except (A) It is required for de novo synthesis of fatty acids (B) It is required for mitochondrial elongation of fatty acids ( ... for microsomal elongation of fatty acids (D) Insulin converts its inactive form into its active form
Description : Select the correct statement from the following regarding cell membrane.
Last Answer : Select the correct statement from the following regarding cell membrane. A. Lipids are arranged in a ... make up 60 to 70% of the cell membrane
Description : Select the correct statement from the following regarding cell membrane. (a) Na+ and K+ ions move across cell membrane by passive transport. (b) Proteins make up 60 to 70% of the cell ... towards the inner part. (d) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson
Last Answer : (d) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson.
Description : Select the correct statement from the following regarding cell membrane (1) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson (2) Na+ and K+ ions move across cell membrane by ... of the cell membrane (4) Lipids are arranged in a bilayer with polar heads towards the inner part
Last Answer : (1) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson
Description : (a) Minute vesicles (b) Membrane bound ( c ) Contained enzymes (d) Present in plant and animals Above statements are correct for :-
Last Answer : (a) Minute vesicles (b) Membrane bound ( c ) Contained enzymes (d) Present in plant and ... Plastids B. Microbodies C. Nucleoli D. Satellite bodies
Description : Keeping in view the fluid mosaic model for the stucture of cell membrane, which one of the following statements is correct with respect to the movemen
Last Answer : Keeping in view the fluid mosaic model for the stucture of cell membrane, which one of the ... While lipids can rarely flip-flop,proteins can not
Description : Consider the following statements: 1. When a nerve fibre is stimulated, a profound change is produced in the electrical properties of surface membrane and in steady potential. 2. Upon excitation, the resting potentialis suddenly changed. 3. It is due ... 1, 2, 3 (b) 2, 3 (c) 1, 2, 3, 4 (d) 1, 2, 4
Last Answer : Ans:(d)
Description : Consider the following statements: 1. In a resting neuron, there is difference in electrical charge on either side of surface membrane called potential difference. 2. It is due to unequal distribution of K+ ions and Na+ ions on either side if the ... ? (a) 1 only (b) 1, 2 (c) 1, 2, 3 (d) 1, 2, 3, 4
Last Answer : Ans:(b)
Description : Which of the following statements is not correct? (a) Lysosomes are formed by the process of packaging in the endoplasmic reticulum. (b) Lysosomes have numerous hydrolytic enzymes. (c) The hydrolytic enzymes of lysosomes are active under acidic pH. (d) Lysosomes are membrane-bound structures.
Last Answer : (a) Lysosomes are formed by the process of packaging in the endoplasmic reticulum.
Description : Regarding the National Flag choose the correct options from the following statements i) It has a horizontal strip of three colours including deep saffron at the top, white in the middle, and dark green at the bottom. ii) The ratio of the flag width to its length is 2:3 -Science
Last Answer : Both i and ii The National Flag of India has a horizontal strip of three colours including deep saffron (Kesaria) at the top, white in the middle, and dark green at the bottom. The ratio of the flag width to its length is 2:3.
Description : Which of the following statements is correct regarding menstural cycle
Last Answer : Which of the following statements is correct regarding menstural cycle A. LH induces rupturing of ... FSH attain a peak level in secretory phase
Description : Which of the following statements (regarding an atom of H ) are correct?
Last Answer : Which of the following statements (regarding an atom of H ) are correct? A. Kinetic energy ... orbit D. Various energy levels are equally spaced
Description : Which of the following statements regarding adsorption is/are correct?
Last Answer : Which of the following statements regarding adsorption is/are correct? A. Extent of adsorption ... adsorption is dependent on the nature of adsorbent
Description : The correct statements regarding ozone is/are
Last Answer : The correct statements regarding ozone is/are A. Ozone is thermodynamically less stable with respect to oxygen B. ... (2(g))` D. It is toxic substance
Description : The correct statements(s) regarding hydrides `(H_(2)E)` of group -16 is/are
Last Answer : The correct statements(s) regarding hydrides `(H_(2)E)` of group -16 is/are A. The ... D. The reducing character of hydrides increases down the group
Description : Which of the following statements regarding cilia is not correct
Last Answer : Which of the following statements regarding cilia is not correct A. Cilia contain an outer of ... D. Microtubules of cilia are composed of tubulin.
Description : Study the following statements regarding food chains and select the correct ones. (i) Removal of 80% tigers from an area resulted in greatly increased
Last Answer : Study the following statements regarding food chains and select the correct ones. (i) Removal of 80% tigers from an area ... . a, b C. b, c D. c, d