Description : Which of the following organelles are called the Protein Factories of the cell? (1) Chloroplasts (2) Lysosomes (3) Mitochondria (4) Ribosomes
Last Answer : (4) Ribosomes Explanation: The ribosome works as the protein factory in every living cell. It gathers amino acids and assembles them into protein chains to make almost anything the cell needs.
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 : Which of the following cell organelles are not found in a bacterial cell? 1. Glyoxysomes 2. Lysosomes 3. Mitochondria 4. Ribosomes Select the correct answer using codes given below: (a) 1 and 4 (b) 2 and 4 (c) 1, 2 and 3 (d) 1, 2, 3 and 4
Last Answer : Ans:(a)
Description : Which of the following organelles has single membrane? (a) Mitochondria (b) Spherosomes (c) Nucleus (d) Cell wall
Last Answer : (b) Spherosomes
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 : Cells contain smaller parts known as organelles. The nucleus, chloroplasts, mitochondria, and vacuoles are all examples of organelles. What do these organelles have in common?
Last Answer : They are all enclosed by a membrane.
Description : Organelles involved in photorespiration are (a) Mitochondria, chloroplasts and ribosomes (b) Mitochondria, Peroxisomes and chloroplasts (c) Mitochondria, nucleus and ribosomes (d) Mitochondria, proxisomes and glyoxisomes
Last Answer : Ans. ((b))
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 : Which of the following cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells? (1) Mitochondria (2) Golgi bodies (3) Lysosomes (4) Glyoxysomes
Last Answer : (1) Mitochondria Explanation: Mitochondria are semiautonomous organelles that likely began as freestanding prokaryotes that invaded eukaryotic cells more than a billion years ago. A symbiotic ... lost the capacity for independent existence but became indispensible to the eukaryotic cells.
Description : Which of the following organelles is related with genetic engineering? (a) Mitochondria (b) Plasmids (c) Golgi bodies (d) Lysosomes
Last Answer : (b) Plasmids
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 : Which of the following cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells ? (1) Mitochondria (2) Golgi bodies (3) Lysosomes (4) Glyoxysomes
Last Answer : Mitochondria
Description : A plant cell is distinguished from an animal cell by the presence of (a) Nucleus (b) Chloroplasts (c) Cell membrane (d) Mitochondria
Last Answer : Ans:(b)
Description : The power house of the cell is (A) Nucleus (B) Cell membrane (C) Mitochondria (D) Lysosomes
Last Answer : C
Description : Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on (a) membrane potential (b) accumulation of Na+ ions (c) accumulation of K+ ions (d) proton gradient.
Last Answer : (d) proton gradient
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 : Which of the following is not true for eukaryotic cells? A- Nucleus is bounded by nuclear membrane B- Chromosomes contain histones C- Chloroplasts and mitochondria contains 70S ribosomes D- Gas vacuoles are present
Last Answer : Gas vacuoles are present
Description : Which are the cholesterol esters that enter cells through the receptor-mediated endocytosis of lipoproteins hydrolyzed? (A) Endoplasmin reticulum (B) Lysosomes (C) Plasma membrane receptor (D) Mitochondria
Last Answer : B
Last Answer : (B) Lysosomes
Description : Besides giving out secretory vesicles, the Golgi apparatus is also concerned with the formation of (a) lysosomes (b) plastids (c) grana of chloroplasts (d) cell plates after cell division in plants.
Last Answer : (a) lysosomes
Description : Assertion:- All the organelles of eukaryotic cells are surrounded by either single or double membrane. Reason:- In eukaryotic cell none of cell organe
Last Answer : Assertion:- All the organelles of eukaryotic cells are surrounded by either single or double membrane. ... D. If both Assertion & Reason are false.
Description : Which one of the following cellular parts is correctly described? (a) Thylakoids - flattened membranous sacs forming the grana of chloroplasts (b) Centrioles - sites for active RNA synthesis (c) Ribosomes - ... cytoplasm are smaller (70S) (d) Lysosomes - optimally active at a pH of about 8.5
Last Answer : (a) Thylakoids - flattened membranous sacs forming the grana of chloroplasts
Description : Chloroplasts are energy organelles found in?
Last Answer : plant cells
Description : Which is correct about cell theory in view of current status of our knowledge about cell structure? (a) It needs modification due to discovery of subcellular structures like chloroplasts and ... Cell theory means that all living objects consists of cells whether or not capable of reproducing
Last Answer : (c) Cell theory does not hold good because all living beings (e.g., viruses) do not have cellular organisation.
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 : How lysosomes help in eliminating damaged organelles in cells?
Last Answer : Need answer
Description : The cellular organelles called “suicide bags” are (A) Lysosomes (B) Ribosomes (C) Nucleolus (D) Golgi’s bodies
Last Answer : A
Description : Which of the following organelles contain enzymes that have digestive action? (a) Ribosomes (b) Polysomes (c) Plastids (d) Lysosomes
Last Answer : (d) Lysosomes
Description : Which of the following is known as ‘suicide bags of the cell’? (1) Mitochondria (2) Golgi Bodies (3) Lysosomes (4) Ribosomes
Last Answer : (3) Lysosomes Explanation: Lysosomes are a kind of waste disposal system of the cell. It contains digestive enzymes for almost all types of organic materials.
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 : Which part of the plant cell is known as power house? (A)Golgi bodies (B) Ribosomes (C)Mitochondria (D) Lysosomes
Last Answer : (C)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 : Lysosomes have (A) Single-layered membrane (B) Double-layered membrane (C) Three-layered membrane (D) No membrane
Last Answer : (A) Single-layered membrane
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 : In studies of cells, the nuclei, mitochondria, endoplasmic reticulum, dictyosomes, microbodies and plastids are collectively known as what in the eucaryotic cell?
Last Answer : ANSWER: ORGANELLES
Description : Assertion: Chloroplasts are known as semiautonomus cell organelle. Reason: Chloroplast has lipoprotein membrane.
Last Answer : Assertion: Chloroplasts are known as semiautonomus cell organelle. Reason: Chloroplast has lipoprotein ... If both Assertion & Reason are false.
Description : The presence of what distinguishes a plant cell from an animal cell’? (1) Chloroplasts (2) Cell wall (3) Cell membrane (4) Nucleus
Last Answer : (1) Chloroplasts Explanation: Plant and animal cells have several differences and similarities. Animal cells do not have chloroplasts but plant cells do. Animal cells are round and irregular ... process called photosynthesis to make organic molecules from carbon dioxide and free oxygen from water.
Description : The presence of what distinguishes a plant cell from an animal cell? (1) Chloroplasts (2) Cell wall (3) Cell membrane (4) Nucleus
Last Answer : Chloroplasts
Description : Genes, the hereditary units, are located in the – (1) nuclear membrane (2) chromosomes (3) lysosomes (4) cell membrane
Last Answer : (2) chromosomes Explanation: A chromosome is an organized structure of DNA and protein found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements ... an organism's genetic information; some species also contain plasrnids or other extrachromosomal genetic elements.
Description : Lysosomes arise from, (A) Nucleus (B) Endoplasmic reticulum (C) Golgi apparatus (D) Cell membrane
Last Answer : (C) Golgi apparatus
Description : Genes, the hereditary units, are located in the (1) nuclear membrane (2) chromosomes (3) lysosomes (4) cell membrane
Last Answer : chromosomes
Description : Why Cells that carry on digestion within the cell do not partly digest themselves because they secrete their digestive enzymes into membrane-enclosed?
Last Answer : Feel Free to Answer
Description : What are the common properties shared by chloroplasts and mitochondria? -Biology
Last Answer : answer:
Description : Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on
Last Answer : Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on A. Proton ... . Accumalation of Na ions D. Membrane potential
Description : Photosynthesis takes place inside plant cells in ______. (1) Ribosomes (2) Chloroplasts (3) Nucleus (4) Mitochondria
Last Answer : (2) Chloroplasts Explanation: In plants, the process of photosynthesis takes place in the mesophyll of the leaves, inside the chloroplasts.
Description : During photorespiration, the oxygen consuming reaction(s) occur in (a) stroma of chloroplasts (b) stroma of chloroplasts and mitochondria (c) stroma of chloroplasts and peroxisomes (d) grana of chloroplasts and peroxisomes.
Last Answer : (c) stroma of chloroplasts and peroxisomes
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.