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
Last Answer : Answer : D
Description : Proteins that are secreted by cells are generally a. not synthesized on membrane-bound ribosomes b. initially synthesized with a signal peptide or leader sequence at their C terminal c. found in ... endocytosis e. secreted in a form that is larger than the form present in the endoplasmic reticulum
Last Answer : found in vesicles and secretory granules
Description : SRP receptors involved in protein export are present on (A) Ribosomes (B) Endoplasmic reticulum (C) Golgi appartus (D) Cell membrane
Last Answer : Answer : B
Description : In addition to the DNA of nucleus there DNA is (A) Mitochondrian (B) Endoplasmic reticulum (C) Golgi apparatus (D) Plasma membrane
Last Answer : Answer : A
Description : Cellular organelles with membranes are (a) endoplasmic reticulum, ribosomes and nuclei (b) lysosomes, Golgi apparatus and mitochondria (c) nuclei, ribosomes and mitochondria (d) chromosomes, ribosomes and endoplasmic reticulum.
Last Answer : (b) lysosomes, Golgi apparatus and mitochondria
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
Description : Eukaryotic cells have extensive intracellular membranes, termed the endomembrane system, which divide the cell into structurally and functionally distinct compartments, or organelles. These include the inner cell ... . Name a cellular component whose membrane is not part of the endomembrane system.
Last Answer : Mitochondria; also chloroplasts
Description : Lysosomes arise from, (A) Nucleus (B) Endoplasmic reticulum (C) Golgi apparatus (D) Cell membrane
Last Answer : (C) Golgi apparatus
Description : What part of the cell serves as the intracellular highway? (A) Endoplasmic reticulum (B) Golgi apparatus (C) Cell membrane (D) Mitochondria
Last Answer : (A) Endoplasmic reticulum
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 : 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 : It is a mesh of interconnected membranes that serve a function involving protein synthesis and transport. (A) Endoplasmic reticulum B) Cytoskeleton (C) Golgi apparatus (D) Both A and B
Description : How do the rough endoplasmic reticulum and the Golgi apparatus act in the production and releasing of proteins ?
Last Answer : The rough endoplasmic reticulum has in its outer membrane numerous ribosomes, structures where translation of messenger RNA and protein synthesis occur. These proteins are stored in the rough endoplasmic reticulum ... exocytosis) in the right place and its content is liberated outside the cell.
Description : Enzymes responsible for ketone body formation are associated mainly with the (A) Mitochondria (B) Endoplasmic reticulum (C) Nucleus (D) Golgi apparatus
Description : Which of the following proteins would not need localization signal? A- A nuclear protein B- A cytosolic protein C- A protein bound to the endoplasmic reticulum (ER) membrane D- A cell surface protein
Last Answer : A cytosolic protein
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 : Endoplasmic reticulum remain in continuation with: (a) nucleus (b) Ribosomes (c) Mitochondria (d) Golgi bodies
Last Answer : Ans. ((a))
Description : The power house of energy in cells is (a) Golgi bodies (b) Mitochondria (c) Ribosomes (d) Endoplasmic reticulum
Last Answer : Ans:(b)
Description : Which one is apparato reticolare? (a) Golgi apparatus (b) Endoplasmic reticulum (c) Microfilaments (d) Microtubules
Last Answer : (a) Golgi apparatus
Description : The three-dimensional network of protein filaments within the cytoplasm of eukaryotic cells is called the (A) Endoplasmic reticulum (B) Golgi apparatus (C) Cytoskeleton (D) None of these
Last Answer : (C) Cytoskeleton
Description : The transport vesicles from the Endoplasmic Reticulum(ER) fuse with the ____of the Golgi apparatus. (A) Cis face (B) Trans face (C) Coated face (D) Both A and B
Last Answer : (A) Cis face
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 : 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 : 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 : Which of the following would you NOT find in a bacterial cell (A) DNA (B) Cell membrane (C) Golgi apparatus (D) Ribosomes
Description : Where does protein synthesis take place in all cells? a. mitochondria b. cell membranes c. ribosomes d. Golgi apparatus
Last Answer : c. ribosomes
Description : Nuclear envelope is a derivative of (a) microtubules (b) rough endoplasmic reticulum (c) smooth endoplasmic reticulum (d) membrane of Golgi complex.
Last Answer : (b) rough endoplasmic reticulum
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 : 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 : 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 : 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 : Modification of proteins and lipids as glycopeptides and lipo-proteins occur in (A) Ribosomes (B) Golgi apparatus (C) SER (D) All A, B and C
Last Answer : (B) Golgi apparatus
Description : Ribosomes similar to those of bacteria found in (A) Plant nuclei (B) Cardiac muscle cytoplasm (C) Liver endoplasmic reticulum (D) Neuronal cytoplasm
Description : Ribosomes similar to those of bacterial found in (A) Plant nucei (B) Cardiac muscle cytoplasm (C) Liver endoplasmic reticulum (D) Neuronal cytoplasm
Description : Extranuclear DNA is present in (A) Ribosomes (B) Endoplasmic reticulum (C) Lysosomes (D) Mitochondria
Description : Select the correct option with respect to mitosis. (a) Chromatids separate but remain in the centre of the cell in anaphase. (b) Chromatids start moving towards opposite poles in telophase. (c ... . (d) Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase.
Last Answer : (d) Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase.
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 : Which one is the largest particulate of the cytoplasm? (A) Lysosomes (B) Mitochondria (C) Golgi apparatus (D) Entoplasmic reticulum
Last Answer : B
Description : Which of the following events does not occur in rough endoplasmic reticulum? (a) Protein folding (b) Protein glycosylation (c) Cleavage of signal peptide (d) Phospholipid synthesis
Last Answer : (d) Phospholipid synthesis
Description : Which of the following events does not occur in rough endoplasmic reticulum ? (1) Protein folding (2) Protein glycosylation (3) Cleavage of signal peptide (4) Phospholipid synthesis
Last Answer : (4) Phospholipid synthesis
Description : $ Cell wall of plants is formed of fungal cellulose. ! Smooth endoplasmic reticulum has ribosomes on its flagellin.
Last Answer : $ Cell wall of plants is formed of fungal cellulose. ! Smooth endoplasmic reticulum has ribosomes on its ... wrong D. If both As and R are wrong.
Description : Site of enzyme synthesis in a cell is (A) Ribosomes (B) RER (C) Golgi bodies (D) All of these
Description : In a cell, aerobic respiration occurs mainly in the: a) ribosomes (pron: RIBE-a-somes) b) mitochondria (pron: mite-o-KON-dree-a) c) Golgi apparatus (pron: GALL-jee) d) chloroplasts (pron: KLOR-o-plasts)
Last Answer : ANSWER: B -- MITOCHONDRIA
Description : The correct sequence of cell organelles during photorespiration is (1) Chloroplast, -vacuole, -peroxisome (2) Chloroplast,-Golgibodies,-mitochondria (3) Chloroplast,-Rough Endoplasmic reticulum,-Dictyosomes (4) Chloroplast,-mitochondria,-peroxisome
Last Answer : (4) Chloroplast,-mitochondria,-peroxisome
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 : 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 : Outside the nucleus DNA is found in (1) Golgi bodies (2) Mitochondria (3) Ribosome (4) Endoplasmic reticulum
Last Answer : Mitochondria
Description : .Polysome is formed by (a) a ribosome with several subunits (b) ribosomes attached to each other in a linear arrangement (c) several ribosomes attached to a single mRNA (d) many ribosomes attached to a strand of endoplasmic reticulum.
Last Answer : (c) several ribosomes attached to a single mRNA