Description : Select the alternative giving correct identification and function of the organelle A' in the diagram. (a) Mitochondria - Produce cellular energy in the form of ATP (b) Golgi body - ... packaging material (c) Lysosomes - Secrete hydrolytic enzymes (d) Endoplasmic reticulum - Synthesis of lipids
Last Answer : (a) Mitochondria - Produce cellular energy in the form of ATP
Description : Important site for formation of glycoproteins and glycolipids is (a) vacuole (b) Golgi apparatus (c) plastid (d) lysosome.
Last Answer : (b) Golgi apparatus
Description : Which one of the following organelle in the figure correctly matches with its function? (a) Golgi apparatus, formation of glycolipids (b) Rough endoplasmic reticulum, protein synthesis (c) Rough endoplasmic reticulum, formation of glycoproteins (d) Golgi apparatus, protein synthesis
Last Answer : (b) Rough endoplasmic reticulum, protein synthesis
Description : Match the column I with column II. Column-I Column-II A. Golgi apparatus (i) Synthesis of protein B. Lysosomes (ii) Trap waste and excretory products C. Vacuoles (iii) Formation of glycoproteins and glycolipids D. Ribosomes (iv) Digesting ... ), C-(iv), D-(i) (d) A-(i), B-(ii), C-(iv), D-(iii)
Last Answer : (a) A-(iii), B-(iv), C-(ii), D-(i)
Description : Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells? (a) Endoplasmic reticulum (b) Peroxisomes (c) Golgi bodies (d) Polysomes
Last Answer : (c) Golgi bodies
Description : Proteins that carries Iron into different tissues is (A) Ceruloplasmin (B) Trans cortin (C) Mucoproteins (D) Glycoproteins
Last Answer : Answer : B
Description : Plasma proteins which contain more than 4% hexosamine are (A) Microglobulins (B) Glycoproteins (C) Mucoproteins (D) Orosomucoids
Last Answer : Answer : C
Description : The Golgi complex plays a major role (a) as energy transferring organelles (b) in post translational modification of proteins and glycosylation of lipids (c) in trapping the light and transforming it into chemical energy (d) in digesting proteins and carbohydrates.
Last Answer : (b) in post translational modification of proteins and glycosylation of lipids
Description : In the erythrocytes, the net production of ATP molecules by the Rapport-Leubering pathway is (A) 0 (B) 2 (C) 4 (D) 8
Last Answer : Answer : A
Description : The reaction catalysed by phosphofructokinase (A) Is activated by high concentrations of ATP and citrate (B) Uses fruitose-1-phosphate as substrate (C) Is the rate-limiting reaction of the glycolytic pathway (D) Is inhibited by fructose 2, 6-bisphosphate
Last Answer : C
Description : Antibodies in our body are complex (a) glycoproteins (b) lipoproteins (c) steroids (d) prostaglandins
Last Answer : (a) glycoproteins
Description : All of the following statements about RNA-dependent DNA polymerase are true except: (A) It synthesizes DNA using RNA as a template (B) It is also known as reverse transcriptase (C) It synthesizes DNA in 5’→3’ direction (D) It is present in all the viruses
Last Answer : Answer : D
Description : The amino acid which synthesizes many hormornes: (A) Valine (B) Phenylalanine (C) Alanine (D) Histidine
Description : The amino acid which synthesizes many hormones: (A) Valine (B) Phenyl alanine (C) Alanine (D) Histidine
Description : Cell recognition and adhesion occur due to biochemicals of cell membrane named (a) Proteins (b) Lipids (c) Proteins and lipids (d) Glycoproteins and glycolipids
Last Answer : Ans:(d)
Description : Cell recognition and adhesion occur due to biochemicals of cell membranes named (a) proteins (b) lipids (c) proteins and lipids (d) glycoproteins and glycolipids.
Last Answer : (d) glycoproteins and glycolipids.
Description : The action of Vitamin K in formation of clotting factor is through (A) Post transcription (B) Post translation (C) Golgi complex (D) Endoplasmic reticulum
Description : What is the function of Golgi complex?
Last Answer : Maturation and processing of nascent proteins, glycosylation of proteins, secretion newly synthesised proteins
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 : The signal sequence of proteins is cleaved off (A) On the ribosomes immediately after synthesis (B) In the endoplasmic reticulum (C) During processing in Golgi apparatus (D) During passage through the cell membrane
Description : The proteins destined to be transported out of the cell have all the following features except (A) They possess a signal sequence (B) Ribosomes synthesizing them are bound to endoplasmic reticulum (C) After synthesis, they are delivered into Golgi apparatus (D) They are tagged with ubiquitin
Description : The alternate complement pathway doesn’t involve (A) Antigen-antibody complex (B) Complement 3 (C) Factors B and D (D) Membrane attack unit
Description : For conjugation with many enogenous and exogenous substances before elimination in urine, the uronic acid pathway provides (A) Active glucuronate (B) Gulonate (C) Xylulose (D) Xylitol
Description : Pentose phosphate pathway is of significance because it generates (A) NADPH for reductive synthesis (B) Regenerates glucose 6-phosphate (C) Generates fructose 6-phosphate (D) Forms glyceraldehyde 3-phosphate
Description : ATP is generated in C A. Lysosomes B. Food Vacuoles C. Mitochondria D. Golgi apparatus
Last Answer : Mitochondria
Description : ATP is generated in a. ribosomes b. polysomes c. mitochondria d. golgi bodies
Last Answer : mitochondria
Description : The site of enzymes directing the metabolic oxidation (respiration), ATP synthesis and considered as power house of cell are (A) Lysosomes (B) Microsomes (C) Mitochondria (D) Golgi apparatus
Last Answer : (C) Mitochondria
Description : How many ATP and NADPH will be requried to make one glucose through the calvin pathway?
Last Answer : How many ATP and NADPH will be requried to make one glucose through the calvin pathway?
Description : How many moles of ATP are obtained from oxidation of 1 mole of acetyl CoA in the common metabolic pathway?
Last Answer : Need answer
Description : The three boxes in this diagram represent the three major biosynthetic pathways in aerobic respiration. Arrows represent net reactants or products. PathwayA Pathway B 6 Pathway C 11 2 Glucose 1 5 10 12 7 4 8 3 Arrows numbered 4, 8 and 12 can all be (a) H2O (b) FAD+ or FADH2 (c) NADH (d) ATP.
Last Answer : (d) ATP.
Description : In glycolysis, ATP is created by A.photophosphorylation B.the chemiosmotic mechanism C.substrate level phosphorylation D.the pentose phosphate pathway
Last Answer : C.substrate level phosphorylation
Description : The use of oxygen gas (02) in an exergonic pathway generating ATP is called a. Anaerobic Respiration. b. Photosynthesis. c. Aerobic Respiration. d. Fermentation.
Last Answer : c. Aerobic Respiration.
Description : ATP is required for (A) Fusion of 40S and 60S of ribosome (B) Accommodation tRNA amino acid in a site of ribosome (C) Movement of ribosome along mRNA (D) formation of tRNA amino acid complex
Description : In most metabolic pathways, all needed enzymes are arranged together in a multienzyme complex within a (A) Solution of ATP (B) Membrane (C) Quanternary protein (D) Coenzyme
Description : Formation of acetyl CoA from pyruvate for de novo synthesis of fatty acids requires (A) Pyruvate dehydrogenase complex (B) Citrate synthetase (C) ATP citrate lyase (D) All of these
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 : G-proteins have a nucleotide binding site for (A) ADP/ATP (B) GDP/GTP (C) CDP/CTP (D) UDP/UTP
Description : For biosynthesis of proteins (A) Amino acids only are required (B) Amino acids and nucleic acids only are required (C) Amino acid, nucleic acids and ATP only are required (D) Amino acids, nucleic acids, ATP, GTP, enzymes and activators are required
Last Answer : The name of the small organ that synthesizes protein is ribosome
Description : Assertion: Nucleus controls the metabolic activitie of cytoplasm. Reason: Nucleus synthesizes enzymes and send them to cytoplasm to control the activi
Last Answer : Assertion: Nucleus controls the metabolic activitie of cytoplasm. Reason: Nucleus synthesizes enzymes and ... If both Assertion & Reason are false.
Description : Restriction endonuclease (a) synthesizes DNA (b) cuts the DNA molecule randomly (c) cuts the DNA molecule at specific sites (d) restricts the synthesis of DNA inside the nucleus.
Last Answer : (c) cuts the DNA molecule at specific sites
Description : Glycoproteins are marked for destruction by removal of their (A) Oligosaccharide prosthetic group (B) Sialic acid residues (C) Mannose residues (D) N-terminal amino acids
Description : Retinoic acid is involved in the synthesis of (A) Rhodopsin (B) Iodopsin (C) Porphyrinopsin (D) Glycoproteins
Description : Retinal is a component of (A) Iodopsin (B) Rhodopsin (C) Cardiolipin (D) Glycoproteins
Description : In N-linked glycoproteins, oligosaccharide is attached to protein through its (A) Asparagine residue (B) Glutamine residue (C) Arginine residue (D) Lysine residue
Description : Oligosaccharide-pyrophosphoryl dolichol is required for the synthesis of (A) N-linked glycoproteins (B) O-linked glycoproteins (C) GPI-linked glycoproteins (D) All of these
Description : In glycoproteins the carbohydrate is in the form of disaccharide units, the number of units are (A) 50–100 (B) 200–300 (C) 400–500 (D) 600–700
Description : Transcortins are (A) Mucoproteins (B) Glycoproteins (C) Metalloproteins (D) Lipoproteins
Description : Collagen and elastin have the following similarity: (A) Both are triple helices (B) Both have hydroxyproline residues (C) Both have hydrolysine residues (D) Both are glycoproteins