Description : Which of the following is not true for prokaryotic organism? A.Nucleus is not bounded by nuclear membrane B.Chromosomes does not contain histones C.80S ribosomes are distributed in cytoplasm D.Cell wall contains peptidoglycan as one of the major component
Last Answer : C.80S ribosomes are distributed in cytoplasm
Description : Which of the following is not true for prokaryotic organism? A- Nucleus is not bounded by nuclear membrane B- Chromosomes does not contain histones C- 80S ribosomes are distributed in cytoplasm D- Cell wall contains peptidoglycan as one of the major component
Last Answer : 80S ribosomes are distributed in cytoplasm
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 : Where does protein synthesis take place in all cells? a. mitochondria b. cell membranes c. ribosomes d. Golgi apparatus
Last Answer : c. ribosomes
Description : ------------ is mainly present in prokaryotic cells A Mitochondria B ER C Golgi apparatus D Mesosomes
Last Answer : D Mesosomes
Description : Plant cells contain the following 3 things not found in animal cells _________, _____________ and ______________. (A) Plastids / Chlorophyll / Membrane (B) Chloroplast / Cell wall / Golgi body (C) Plastids / Cell wall / Chlorophyll (D) Mitochondria / Cell wall /
Last Answer : (C) Plastids / Cell wall / Chlorophyll
Description : ______ is the cell organelle, in which the biochemical processes of respiration and energy production occur. (1) Mitochondria (2) Chloroplast (3) Ribosomes (4) Nucleus
Last Answer : (1) Mitochondria Explanation: Mitochondria is an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur.
Description : Peptide synthesis inside a cell takes place in (a) chloroplast (b) mitochondria (c) chromoplast (d) ribosomes
Last Answer : (d) ribosomes.
Description : Which one of the following is NOT a structure or subcompartment found in bacterial cells? a. Micro compartments b. Volutin c. Ribosomes d. Mitochondria
Last Answer : d. Mitochondria
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 : Which one of the following is NOT found in bacterial cells? a. Ribosomes b. DNA c. Mitochondria d. Cytoplasm
Last Answer : c. Mitochondria
Description : A prokaryotic cell does not have which of the followin (1) Ribosomes (2) Cell membrane (3) Nucleus (4) DNA
Last Answer : (3) Nucleus Explanation: Prokaryotic cells do not contain a nucleus or any other membrane-bound organelle. The word "prokaryotic" means "before nucleus." Prokaryotes include two groups: ... another group called archaea. In contrast, eukatyotic cells have etrue" nucleus containing their DNA.
Description : The structure within a cell that distinguishes the cell as being eukaryotic, and prokaryotic is (A) Ribosomes (B) Cell membrane (C) Cell wall (D) Nucleus
Last Answer : (D) Nucleus
Description : A prokaryotic cell does not have which of the following? (1) Ribosomes (2) Cell membrane (3) Nucleus (4) DNA
Last Answer : Nucleus
Description : DNA is not present in (a) nucleus (b) mitochondria (c) chloroplast (d) ribosomes
Description : The unifying feature of the archaea that distinguishes them from the bacteria is A- habitats which are extreme environments with regard to acidity B- absence of a nuclear membrane temperature ... of a cell wall containing a characteristic outer membrane D- cytoplasmic ribosomes that are 70S
Last Answer : absence of a nuclear membrane temperature
Description : The mechanism of ATP formation both in chloroplast and mitochondria is explained by (a) chemiosmotic theory (b) Munch’s hypothesis (mass flow model) (c) relay pump theory of Godlewski (d) Cholodny-Wont’s model.
Last Answer : (a) chemiosmotic theory
Description : Which of the following ribosomes are engaged in protein synthesis in animal cell? (a) Ribosomes which occur on nuclear membrane and ER (b) Ribosomes of only cytosol (c) Ribosomes of only nucleolus and cytosol (d) Ribosomes of only mitochondria and cytosol
Last Answer : (a) poleward movement
Description : ATP is generated in a. ribosomes b. polysomes c. mitochondria d. golgi bodies
Last Answer : mitochondria
Description : For each pair of electrons passing from NADH located inside the mitochondria to oxygen, how many ATP molecules can be generated? A.1 B.2 C.3 D.4
Last Answer : C.3
Description : Which of the following organelle lack membrane? (a) Mitochondria (b) Ribosomes (c) Microtubules(d) Peroxisomes
Last Answer : (b) Ribosomes
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 : All of the following are found in prokaryotes and eukaryotes, except a. acell (plasma) membrane b. mitochondria c. cytoplasm d. ribosome
Last Answer : b. mitochondria
Description : Which of the following statements supports the cell theory? a. all living things are made of cells b. all living things have a chromosome in the nucleus c. all living things have cellular metabolism in the mitochondria d. A-C are correct
Last Answer : a. all living things are made of cells
Description : Distinguish the ribosomes of prokaryotic cells from that of eukaryotic cells. -Biology
Last Answer : answer:
Description : What is true about ribosomes? (a) The prokaryotic ribosomes are 80S, where “S” stands for sedimentation coefficient. (b) These are composed of ribonucleic acid and proteins. (c) These are found only in eukaryotic cells. (d) These are self-splicing introns of some RNAs
Last Answer : (b) These are composed of ribonucleic acid and proteins.
Description : What is true about ribosomes ? (1) These are self - splicing introns of some RNAs (2) The prokaryotic ribosomes are 80S, where “S” stands for sedimentation coefficient (3) These are composed of ribonucleic acid and proteins (4) These are found only in eukaryotic cells
Last Answer : (3) These are composed of ribonucleic acid and proteins
Description : What is a difference between prokaryotic and eukaryotic cells in making protein? a. Eukayotes have introns that stay inside the nucleus b. Prokaryotes can transcribe and translate at the same time c. the process is faster in prokaryotes d. A-C are correct
Last Answer : d. A-C are correct
Description : A quorum sensing system A- .detects a signal from the external environment B- B.senses a compound produced by the bacterium itself C- consists of a sensor component that phosphorylates a regulatory protein D- .controls the activity of ribosomes directly
Last Answer : B.senses a compound produced by the bacterium itself
Description : Site of Protein synthesis in cell is — a. Mitochonderia b. Ribosomes c. Cell wall d. Chloroplast
Last Answer : b. Ribosomes
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 : In eukaryotic cells, ribosomes are A.70S B.60S C.80S D.Not specific
Last Answer : C.80S
Description : In eukaryotic cells, ribosomes are A- 70S B- 60S C- 80S D- Not specific
Last Answer : 80S
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 cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells ? (1) Mitochondria (2) Golgi bodies (3) Lysosomes (4) Glyoxysomes
Last Answer : Mitochondria
Description : Ribosomes are produced in (a) nucleolus (b) cytoplasm (c) mitochondria (d) Golgi body.
Last Answer : (a) nucleolus
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 : A _____ is a protein receptor on the surface of macrophages, dendritic cells, and endothelial cells that allow them to recognize foreign cell markers. a. Toll-like receptor (TLR) b. pathogen-associated c. Membrane attack complex (MAC) d. Natural killer cells (NK)
Last Answer : b. pathogen-associated
Description : The cell membrane of archaeal cells contains a. A monolayer. b. Sterols. c. Ester linkage d. All of the above (A—C are correct.)
Last Answer : a. A monolayer.
Description : Where is the most ATP produced in cellular respiration? a. Fermentation b. Electron Transport Chain c. Glycolysis d. Citric Acid Cycle
Last Answer : b. Electron Transport Chain
Description : All the following are produced during the citric acid cycle except: a. CO2. b. 02. c. ATP. d. NADH.
Last Answer : a. CO2.
Description : Which one of the following is NOT produced during glycolysis? a. ATP b. NADH c. Pyruvate d. Glucose
Last Answer : c. Pyruvate
Last Answer : d. Glucose
Description : The power house of energy in cells is (a) Golgi bodies (b) Mitochondria (c) Ribosomes (d) Endoplasmic reticulum
Last Answer : Ans:(b)
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 : 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 : Being compartmentalized, bacterial RNA polymerases are localized in the and ribosomes are found a. Nucleoid; At The Nucleoid Periphery b. Cytosol; In The Cytosol c. Cytosol; At The Cell Poles d. Nucleoid; In The Nucleoid
Last Answer : a. Nucleoid; At The Nucleoid Periphery
Description : All the following are basic properties of cells except A- cells have nuclei and mitochondria B- cells have a genetic programme and the means to use it C- .cells are capable of producing more of themselves D-.cells are able to respond to stimuli
Last Answer : cells have nuclei and mitochondria