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 : 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 : A particular cell organelle is sometimes referred to as the 'suicide bag' because it contains certain enzymes that can break down the cell components or even the whole cell. Which one of the following is such an organelle? (a) Lysosome (b) Mesosome (c) Phagosome (d) Ribosome
Last Answer : Ans:(d)
Description : A cell organelle containing hydrolytic enzymes is (a) lysosome (b) microsome (c) ribosome (d) mesosome.
Last Answer : (c) ribosome
Description : What is a mesosome in a prokaryotic cell? -Biology
Last Answer : answer:
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 : The site of respiration in bacteria is (a) ribosome (b) microsome (c) episome (d) mesosome
Last Answer : (d) mesosome.
Description : Bacterial cells do not have - (1) Cell wall (2) Plasma membrane (3) Ribosome (4) Mitochondria
Last Answer : (4) Mitochondria Explanation: Unlike cells of animals and other eukaryotes, bacterial cells do not contain a nucleus and rarely harbour membrane-bound organelles. Bacteria are prokaiyotes, which ... are cells that don't possess membrane-bound organelles. Mitochondria are membrane-bound organelles.
Description : Bacterial cells do not have (1) Cell wall (2) Plasma membrane (3) Ribosome (4) Mitochondria
Last Answer : Mitochondria
Description : What are the functions of mesosome prokaryotic cells? -Biology
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 : 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 structures is not found in a prokaryotic cell?
Last Answer : Which of the following structures is not found in a prokaryotic cell? A. Plasma membrane B. Nuclear evelope C. Ribosome D. Mesosome
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 : A prokaryotic ribosome is made up of ________ sub units. (A) 20 S and 50S (B) 30S and 50S (C) 30S and 60S (D) 20S and 50S
Last Answer : Answer : B
Description : Which of the following components provides sticky character to the bacterial cell? (a) Nuclear membrane (b) Plasma membrane (c) Glycocalyx (d) Cell wall
Last Answer : (c) Nostoc
Description : Which of the following components provides sticky character to the bacterial cell ? (1) Nuclear membrane (2) Plasma membrane (3) Glycocalyx (4) Cell wall
Last Answer : (3) Glycocalyx
Description : Difference in Gram positive and Gram negative bacteria is due to (a) cell wall (b) cell membrane (c) ribosome (d) cytoplasm.
Last Answer : (a) cell wall
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 : Name the non -membrane bound cell or- ganelle which is present in both eukaryotic and prokaryotic cell?
Last Answer : Ribosomes
Description : Where is ATP produced in prokaryotic cells? a. In The Mitochondria b. In The Chloroplast c. On The Cell Membrane d. On The Ribosomes
Last Answer : b. In The Chloroplast
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 : Assertion :- Morphology of chromosomes is most studied during metaphase of cell division. Reason :- Complete disintegration of nuclear envelope marks
Last Answer : Assertion :- Morphology of chromosomes is most studied during metaphase of cell division. Reason :- ... D. If both Assertion & Reason are false.
Description : Which one of the following precedes reformation of the nuclear envelope during M phase of the cell cycle? (a) Decondensation from chromosomes and reassembly of the nuclear lamina (b) ... and formation of the phragmoplast (d) Formation of the contractile ring and transcription from chromosomes
Last Answer : (c) Formation of the contractile ring and formation of the phragmoplast
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 : In the bacteria: (1) Mesosome is present (2) Nucleoid represents the genome (3) Ribosomes are found in cytoplasm (4) Histone proteins complexed with DNA
Last Answer : Ans. ((a))
Description : Which one of the following structures is an organelle within an organelle " " Or Which of the following cell organelle lacks DNA and bounding membrane
Last Answer : Which one of the following structures is an organelle within an organelle " " Or Which of the following ... . ER B. Mesosome C. Ribosome D. Peroxisome
Description : In mitosis, nuclear envelope and nucleolus disappear during
Last Answer : In mitosis, nuclear envelope and nucleolus disappear during A. Zygotene B. Pachytene C. Diakinesis D. Metaphase - I
Description : Nuclear envelope reappears at
Last Answer : Nuclear envelope reappears at A. Metaphase B. Prophase C. Anaphase D. Telophase
Description : Nuclear envelope is a derivative of
Last Answer : Nuclear envelope is a derivative of A. Membrane of Golgi complex B. Microtubules C. Rough endoplasmic reticulum D. Smooth endoplasmic reticulum
Description : What stage do the Chromosomes form chromatin and the nuclear envelope reforms during?
Last Answer : telophase
Description : Which organelle does assemble ribosomes? (a) Nuclear envelope (b) Nucleolus (c) Chromosomes (d) Nucleoplasm
Last Answer : Ans:(b)
Description : Nucleoproteins are synthesised in (a) nucleoplasm (b) nuclear envelope (c) nucleolus (d) cytoplasm.
Last Answer : (d) cytoplasm.
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 parts of the nucleus makes ribosomes and RNA? a. Nuclear envelope b. Nucleolus c. Nucleoplasm d. Chromatin
Last Answer : b. Nucleolus
Description : The eukaryotic nuclear chromosomal DNA (A) Is a linear and unbranched molecule (B) Is not associated with a specific membranous organelle (C) Is not replicated semiconservatively (D) Is about of the same size as each prokaryotic chromoses
Last Answer : Answer : A
Description : Which of the following elements is not found in normal periodontal membrane: A. Fibroblast B. Epithelial cells C. Erythrocytes D. Vest cells of malaise E. Inflammatory plasma cells and lymphocytes
Last Answer : C. Erythrocytes
Description : What is a mesosome? -Biology
Description : $ Mesosome is a type of polyribosomes. ! Polyribosomes from a part of the chromosomes.
Last Answer : $ Mesosome is a type of polyribosomes. ! Polyribosomes from a part of the chromosomes. A. If both As and ... is wrong D. If both As and R are wrong.
Description : An octamer of 4 histones complexed with DNA forms (a) endosome (b) nucleosome (c) mesosome (d) centromere.
Last Answer : (b) nucleosome
Description : Which of the following structure is absent in eukaryotic cells? A- Mitochondria B- Chloroplasts C- Golgi structure D- Mesosome
Last Answer : Mesosome
Description : Functions of plasma membrane in a cell. -Biology
Description : What is Another name for cell and plasma membrane?
Last Answer : What is the answer ?
Description : What term describes the structure of a cell plasma membrane because of its oily nature and embebbed proteins?
Last Answer : fluid mosaic
Description : There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s ... transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose
Last Answer : Answer: c, d The selectivity of the plasma membrane, although impressive, cannot account for the nonequilibrium composition of living cells. A cell can be maintained in a nonequilibrium state only by ... to drive the transport of a second species such as protons, calcium, amino acids, or glucose
Description : Cell regulation can be thought of as the effector side of cell communication. Most commonly cell regulation occurs by means of extracellular chemical messengers. Which of the following statement(s ... d. Most hormones, local mediators, and neurotransmitters readily cross the cell plasma membrane
Last Answer : Answer: b, c Depending on how the extracellular messenger arrives, cell regulation can be classified as paracrine, endocrine, or neurocrine. In paracrine regulation, a chemical messenger ... , local mediators, and neurotransmitters are water-soluble and cannot readily cross the plasma membrane