Description : All the enzymes involved in the synthesis of cholesterol are found in (A) Mitochondria (B) Golgi apparatus (C) Nucleus (D) Endoplasmic reticulum and cytosol
Last Answer : Answer : D
Description : All the enzymes of glycolysis pathway are found in (A) Extramitochondrial soluble fraction of the cell (B) Mitochondria (C) Nucleus (D) Endoplasmic reticulum
Last Answer : Answer : A
Description : The amino alcohol sphingosine is synthesized in (A) Mitochondria (B) Cytosol (C) Nucleus (D) Endoplasmic reticulum
Description : Enzymes responsible for ketone body formation are associated mainly with the (A) Mitochondria (B) Endoplasmic reticulum (C) Nucleus (D) Golgi apparatus
Description : Porphyrins are synthesized in (A) Cytosol (B) Mitochondria (C) Cytosol and mitochondria (D) Rough endoplasmic reticulum
Last Answer : Answer : C
Description : Pyruvate dehydrogenase complex is located in (A) Cytosol (B) Lysosomes (C) Mitochondria (D) Endoplasmic reticulum
Description : Protein synthesis in an animal cell occurs (a) only on the ribosomes present in cytosol (b) only on ribosome attached to the nuclear envelope and endoplasmic reticulum (c) on ribosome present in the ... as well as in cytoplasm (d) on ribosomes present in cytoplasm as well as in mitochondria.
Last Answer : (d) on ribosomes present in cytoplasm as well as in mitochondria.
Description : .Protein synthesis in an animal cell occurs (a) only on the ribosomes present in cytosol (b) only on ribosome attached to the nuclear envelope and endoplasmic reticulum (c) on ribosome present in the ... as well as in cytoplasm (d) on ribosomes present in cytoplasm as well as in mitochondria.
Description : Hemolytic anemia is caused by the deficiency of certain enzymes of the pentose phosphate pathway, the principal enzyme involved is (A) Glucose-6-phosphate dehydrogenase (B) Aldolase (C) Fructose 1, 6-bisphosphatase (D) Phosphohexose isomerase
Description : The pentose phosphate pathway protects erythrocytes against hemolysis by assisting the enzyme: (A) Superoxide dismutase (B) Catalase (C) Glutathionic peroxidase (D) Cytochrome oxidase ENZYMES 149
Description : Glycolytic pathway is located in (A) Mitochondria (B) Cytosol (C) Microsomes (D) Nucleus
Last Answer : Answer : B
Description : The main pathway for denovo synthesis of fatty acids occur in (A) Cytosol (B) Mitochondria (C) Microsomes (D) Nucleus
Description : The enzymes of β-oxidation are found in (A) Mitochondria (B) Cytosol (C) Golgi apparatus (D) Nucleus
Description : The enzymes of urea synthesis are found in (A) Mitochondria only (B) Cytosol only (C) Both mitochondria and cytosol (D) Nucleus
Description : Outside the nucleus DNA is found in - (1) Golgi bodies (2) Mitochondria (3) Ribosome (4) Endoplasmic reticulum
Last Answer : (2) Mitochondria Explanation: In eukaiyotic (with nucleus) cells, the vast majority of DNA is found in the nucleus as discrete bodies called chromosomes. The exception to this being the small amount ... cells, more than 99% of the total DNA is nuclear genomic DNA and the remainder mitochondrial.
Description : Outside the nucleus DNA is found in (1) Golgi bodies (2) Mitochondria (3) Ribosome (4) Endoplasmic reticulum
Last Answer : Mitochondria
Description : The enzymes of the citric acid cycle are located in (A) Mitochondrial matrix (B) Extramitochondrial soluble fraction of the cell (C) Nucleus (D) Endoplasmic reticulum
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 : Endoplasmic reticulum remain in continuation with: (a) nucleus (b) Ribosomes (c) Mitochondria (d) Golgi bodies
Last Answer : Ans. ((a))
Description : RBCs do not perform aerobic respiration because these do not contain - (1) Mitochondria (2) Nucleus (3) Endoplasmic Reticulum (4) Lysosomes
Last Answer : (1) Mitochondria Explanation: Red Blood Corpusles (RBCs) do not contain Mitochondria.
Description : Which cell organelle is called the Master of the Cell? (1) Endoplasmic reticulum (2) Mitochondria (3) Nucleolus (4) Nucleus
Last Answer : (4) Nucleus Explanation: The nucleus is often called the control center; master the brain of the cell.
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 : RBCs do not perform aerobic respiration because these do not contain (1) Mitochondria (2) Nucleus (3) Endoplasmic Reticulum (4) Lysosomes
Description : The main source of reducing equivalents (NADPH) for lipogenesis is (A) Pentose phosphate pathway (B) Citric acid cycle (C) Glycolysis (D) Glycogenolysis
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 : The transketolase enzyme in the pentose phosphate pathway requires the B vitamin. (A) Pantothenic acid (B) Thiamin (C) Riboflavin (D) Nicotinic acid
Description : In pentose phosphate pathway, D-ribulose5-phosphate is converted to D-ribose-5- phosphate by the enzyme: (A) Fumarase (B) Ketoisomerase (C) G-6-PD (D) Epimerase
Description : The hydrogen acceptor used in pentose phosphate pathway is (A) NAD (B) NADP (C) FAD (D) FMN
Description : Extranuclear DNA is present in (A) Ribosomes (B) Endoplasmic reticulum (C) Lysosomes (D) Mitochondria
Description : Carbamoyl phosphate required for urea synthesis is formed in (A) Cytosol (B) Mitochondria (C) Both (A) and (B) (D) None of these
Description : Enzymes catalyzing electron transport are present mainly in the (A) Ribosomes (B) Endoplasmic reticulum (C) Lysosomes (D) Inner mitochondrial membrane
Last Answer : D
Description : In addition to the DNA of nucleus there DNA is (A) Mitochondrian (B) Endoplasmic reticulum (C) Golgi apparatus (D) Plasma membrane
Description : In mammalian cells rRNA is produced mainly in the (A) Endoplasmic reticulum (B) Ribosome (C) Nucleolus (D) Nucleus
Last Answer : C
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 : When acetate is the sole source of carbon for some microorganisms, the cycle which is used, is called A.pentose phosphate pathway B.glycolyic pathway C.glyoxylate pathway D.oxaloacetate pathway
Last Answer : C.glyoxylate pathway
Description : Which one of the following structures between two adjacent cells is an effective transport pathway? (a) Plasmodesmata (b) Plastoquinones (c) Endoplasmic reticulum (d) Plasmalemma
Last Answer : (a) Plasmodesmata
Description : Mammalian DNA polymerase γ is located in (A) Nucleus (B) Nucleolus (C) Mitochondria (D) Cytosol
Description : The enzyme pyruvate carboxylase is present in (A) Cytosol (B) Mitochondria (C) Nucleus (D) Golgi bodies
Description : What is the sub cellular site for the βoxidation of fatty acids? (A) Nucleus (B) Mitochondria (C) Lysosome (D) Cytosol
Description : Long chain fatty acids are first activated to acetyl-CoA in (A) Cytosol (B) Microsomes (C) Nucleus (D) Mitochondria
Description : The biosynthesis of Urea occurs mainly in the Liver: (A) Cytosol (B) Microsomes (C) Nucleus (D) Mitochondria
Description : Intracellular organelles involved with protein synthesis include: a. Mitochondria b. Endoplasmic reticulum c. Golgi complex d. Lysosomes
Last Answer : Answer: b, c Mitochondria are the major source of energy production in eukaryotic cells. The endoplasmic reticulum is the network of interconnected membranes forming closed vesicles, ... containing acid hydrolytic enzymes that degrade polymers such as proteins, carbohydrates, and nucleic acids
Description : Proteins that are destined to be secreted from the cells must pass through a series of organelles. These organelles include: a. Endoplasmic reticulum b. Golgi apparatus c. Mitochondria d. Lysosomes
Last Answer : Answer: a, b, d Proteins targeted for the secretory pathway most commonly begin with translocation from the cytoplasm across the lipid bilayer into the lumen of the endoplasmic reticulum. It ... apparatus where they are further processed and sorted and end up in a secretory vesicle or lysosome
Description : The power house of energy in cells is (a) Golgi bodies (b) Mitochondria (c) Ribosomes (d) Endoplasmic reticulum
Last Answer : Ans:(b)
Description : Inside cell, protein synthesis is done by B A. Lysosomes B. Rough endoplasmic reticulum C. Mitochondria D. Golgi bodies
Last Answer : Rough endoplasmic reticulum
Description : nside cell, protein synthesis is done by B A. Lysosomes B. Rough endoplasmic reticulum C. Mitochondria D. Golgi bodies
Last Answer : Golgi bodies
Description : The correct sequence of cell organelles during photorespiration is (a) chloroplast, Golgi-bodies, mitochondria (b) chloroplast, rough endoplasmic reticulum, dictyosomes (c) chloroplast, mitochondria, peroxisome (d) chloroplast, vacuole, peroxisome.
Last Answer : (c) chloroplast, mitochondria, peroxisome
Description : In land plants, the guard cells differ from other epidermal cells in having (a) cytoskeleton (b) mitochondria (c) endoplasmic reticulum (d) chloroplasts.
Last Answer : (d) chloroplasts.
Description : A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics. (a) Cytokinesis Cell plate formed, mitochondria ... reforms. (d) Late anaphase Chromosomes move away from equatorial plate, Golgi complex not present.
Last Answer : (c) Telophase Nuclear envelope reforms,Golgi complex reforms.
Description : The main organelle involved in modification and outing of newly synthesized proteins to their destinations is (a) chloroplast (b) mitochondria (c) lysosome (d) endoplasmic reticulum.
Last Answer : (d) endoplasmic reticulum.