Description : Similarities of lysosome and a peroxisome
Last Answer : Similarities of lysosome and a peroxisome
Description : Which one of the following is not considered as a part of the endomembrane system? (a) Golgi complex (b) Peroxisome (c) Vacuole (d) Lysosome
Last Answer : (b) Peroxisome
Description : Which of the following pairs of organelles does not contain DNA? (a) Nuclear envelope and Mitochondria (b) Mitochondria and Lysosome (c) Chloroplast and Vacuoles (d) Lysosomes and Vacuoles
Last Answer : (d) Lysosomes and Vacuoles
Description : Assertion:- Mitochondria, chloroplast and peroxisome are not involved in endomembrane system. Reason:- Their functions are not coordinated with consti
Last Answer : Assertion:- Mitochondria, chloroplast and peroxisome are not involved in endomembrane system. Reason:- ... If both Assertion & Reason are false.
Description : Photorespiration is related to: (a) Chloroplast (b) Mitochondria (c) Peroxisome (d) Glyoxysomes
Last Answer : Ans. ((c))
Description : The organelles involved in photorespiration are (a) Glyoxysomes, chloroplast and mithondria (b) Chloroplast, peroxisome and glythisome (c) Mitochondria, peroxisome and glyoxysomes (d) Chloroplast, mitochondria and peroxisome
Last Answer : Ans. ((d))
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 : 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 : What is the sub cellular site for the βoxidation of fatty acids? (A) Nucleus (B) Mitochondria (C) Lysosome (D) Cytosol
Last Answer : Answer : B
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.
Description : The following are true about the DNA in mitochondria: a. they are found in the ovum and not the spermatozoan b. they have their own genome c. they are expressed in muscle cells d. all above
Last Answer : all above
Description : What is evidence for the endosymbiotic theory? a. Ribosomes are the same size in eukaryotes and prokaryotes b. Organelles like mitochondria and cholorplasts have their own dna and ribosomes c. Flagella are the same in both types of cells d. A-C are correct
Last Answer : b. Organelles like mitochondria and cholorplasts have their own dna and ribosomes
Description : What is the function of the peroxisome?
Last Answer : A: The peroxisome is responsible for breaking down fatty acids and producing hydrogen peroxide, which is then broken down into water and oxygen by the enzyme catalase.
Last Answer : A: The peroxisome is involved in the breakdown of fatty acids and the detoxification of harmful substances.
Description : At which step oxygen is used in peroxisome ?
Last Answer : At which step oxygen is used in peroxisome ? A. Glycolate of glyoxylate B. Glyoxylate of glycine C. Glycine to serine D. Serine to hydroxy pyruvate
Description : Which of the following is activated by Cholera toxin? 1) Adenylate cyclase 2) Guanlyate cyclase 3) Peroxisome proliferator receptor (PPAR) gamma 4) Sodium/potassium ATPase 5) The glucose-sodium transporter
Last Answer : Answers-1 Cholera toxin activates adenylate cyclase with generation of cAMP.
Description : Which one of the following structures is an organelle within an organelle? (a) Ribosome (b) Peroxisome (c) ER (d) Mesosome
Last Answer : (a) Ribosome
Description : In which organelle following reaction takes place 6 CO2 + 6 H2O + energy (from sunlight) ---------> C6H12O6 + 6 O2 (A) Mitochondrion (B) Peroxisome (C) Chloroplast (D) Glyoxysome
Last Answer : (C) Chloroplast
Description : Mammalian DNA polymerase γ is located in (A) Nucleus (B) Nucleolus (C) Mitochondria (D) Cytosol
Last Answer : Answer : C
Description : Some DNA is present in mitochondria of (A) Prokaryotes (B) Eukaryotes (C) Both (A) and (B) (D) None of these
Description : Extranuclear DNA is present in (A) Ribosomes (B) Endoplasmic reticulum (C) Lysosomes (D) Mitochondria
Last Answer : Answer : D
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 : Magnesium is a constituent metal of – (1) Chlorophyll molecule (2) DNA (3) Mitochondria (4) Ribosomes
Last Answer : (1) Chlorophyll molecule Explanation: The basic structure of chlorophyll consists of a porphyrin ring, coordinated to a central atom. This is very similar in structure to the heme group found in ... was discovered in 1906 and was the first time that magnesium had been detected in living tissue.
Description : With regard to histones: a. they are basic proteins b. they are essential for the formation of stable DNA c. mitochondria do not contain histones d. all above
Description : DNA is present in (a) Nucleus (b) Mitochondria (c) Chloroplast (d) All of the above
Last Answer : (d) All of the above
Description : Select the wrong statement from the following. (a) Both chloroplasts and mitochondria have an internal compartment, the thylakoid space bounded by the thylakoid membrane. (b) Both chloroplasts and ... mitochondria. (d) Both chloroplasts and mitochondria contain an inner and an outer membrane.
Last Answer : (a) Both chloroplasts and mitochondria have an internal compartment, the thylakoid space bounded by the thylakoid membrane.
Description : DNA is not present in (a) nucleus (b) mitochondria (c) chloroplast (d) ribosomes
Last Answer : (d) ribosomes.
Description : Match the columns and identify the correct option. Column I Column II A. Thylakoids (i) Disc-shaped sacs in Golgi apparatus B. Cristae (ii) Condensed structure of DNA C. Cisternae (iii) Flat membranous sacs in stroma D. Chromatin (iv) ... iii), C-(i), D-(ii) (d) A-(iii), B-(iv), C-(i), D-(ii)
Last Answer : (d) A-(iii), B-(iv), C-(i), D-(ii)
Description : Mitochondria and chloroplast are (A) semi-autonomous organelles (B) formed by division of pre-existing organelles and they contain DNA but lack protein synthesising machinery. Which one of the following options is correct? (a) ( ... Both (A) and (B) are correct. (d) (B) is true but (A) is false.
Last Answer : (a) (A) is true but (B) is false.
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 : Thermococcus, Methanococcus and Methano- bacterium exemplify (a) bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria (b) bacteria that ... that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled
Last Answer : (c) archaebacteria that contain protein homologous to eukaryotic core histones
Description : Which one of the following is NOT found in bacterial cells? a. Ribosomes b. DNA c. Mitochondria d. Cytoplasm
Last Answer : c. Mitochondria
Description : Rifampin kills tubercle bacilli by: A. Binding to mycobacterial DNA dependent RNA polymerase B. Inhibiting mycobacterial DNA synthesis C. Inhibiting synthesis of mycolic acids in mycobacteria D. Damaging mycobacterial mitochondria
Last Answer : A. Binding to mycobacterial DNA dependent RNA polymerase
Description : Which organelle has been shown to contain DNA? a) Ribosome b) Mitochondria c) Golgi Apparatus d) none of the above
Last Answer : ANSWER: B -- MITOCHONDRIA
Description : Magnesium is a constituent metal of (1) Chlorophyll molecule (2) DNA (3) Mitochondria (4) Ribosomes
Last Answer : Chlorophyll molecule
Description : Outside the nucleus DNA is found in (1) Golgi bodies (2) Mitochondria (3) Ribosome (4) Endoplasmic reticulum
Last Answer : Mitochondria
Description : why not lysosome as its work is in digestion of so many organelles and other things also? -Biology
Last Answer : answer:
Description : What is the function of the lysosome?
Last Answer : A: The lysosome is a cellular organelle that contains digestive enzymes, which are used to break down and recycle cellular waste, old or damaged organelles, and foreign materials.
Last Answer : A: The lysosome is a cellular organelle that contains enzymes that break down and recycle cellular waste and debris, as well as foreign substances such as bacteria or viruses.
Last Answer : A: The lysosome is responsible for breaking down and recycling cellular waste and debris, as well as digesting engulfed food and destroying invading pathogens.
Last Answer : A: The lysosome is responsible for breaking down and recycling cellular waste and damaged organelles.
Last Answer : A: The lysosome is responsible for breaking down and recycling cellular waste and debris.
Description : What is lysosome ?
Last Answer : : The cellular organelle that digests the germs that come in with its enzyme is called lysosomes.
Last Answer : : Lysosomes are cells that are covered by a membrane or membrane consisting of two layers of lipo-proteins in the cytoplasm of a cell and act as carriers of various hydrolytic enzymes.
Description : What is the difference between ribosome and lysosome ?
Last Answer : ribosome 1. Not covered with any covering. 2. It is made up of RNA and histone (protein). 3. They are attached to different cell organelles or isolated in the cytoplasm. 4. It is divided ... the cell is distributed almost evenly throughout. 4. It is intact. 5. It helps in intracellular digestion.
Last Answer : : Lysosomes are the eater or the digester.
Description : Assertion:- `H^(+)` pump of the membranes essentially work for lysosoml vesicles. Reason:- Hydrolysing enzymes of lysosome are tend to work for lysoso
Last Answer : Assertion:- `H^(+)` pump of the membranes essentially work for lysosoml vesicles. Reason:- Hydrolysing ... . D. If both Assertion & Reason are false.
Description : How lysosome growth?
Last Answer : Need answer
Description : What everyday objects similar to Lysosome?
Last Answer : stomach