Description : Which organelle does assemble ribosomes? (a) Nuclear envelope (b) Nucleolus (c) Chromosomes (d) Nucleoplasm
Last Answer : Ans:(b)
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 : Ribosomal RNA is actively synthesised in (a) lysosomes (b) nucleolus (c) nucleoplasm (d) ribosomes.
Last Answer : (a) lysosomes
Last Answer : (b) nucleolus
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 : The maximum formation of mRNA occurs in (a) ribosome (b) nucleoplasm (c) cytoplasm (d) nucleolus.
Last Answer : (b) nucleoplasm
Last Answer : (d) nucleolus.
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 : 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 : The fluid medium of the nucleus is called (a) Chromosomes (b) Nucleolus (c) Nucleoplasm (d) Chromatin
Last Answer : Ans:(c)
Description : Which of the following statements is correct? (A) a nucleo protein usually contain deoxy sugars of the hexose type (B) Nucleoproteins are usually absent from the cytoplasm (C) Nucleoproteins usually are present in the nucleus only (D) Nucleoproteins usually occur in the nucleus and cytoplasm
Last Answer : Answer : D
Description : The protists have (a) only free nucleic acid aggregates (b) membrane bound nucleoproteins lying embedded in the cytoplasm (c) gene containing nucleoproteins condensed together in loose mass (d) nucleoprotein in direct contact with the rest of the cell substance.
Last Answer : (b) membrane bound nucleoproteins lying embedded in the cytoplasm
Description : Difference between cytoplasm and nucleoplasm. -Biology
Last Answer : answer:
Description : Cell sap is found inside a. Protoplasm b. Cytoplasm c. Nucleoplasm d. Vacuole
Last Answer : d. Vacuole
Description : Which cell organelle is the site of photosynthesis and also contains chlorophyll? (1) chloroplasts (2) vacuole (3) cytoplasm (4) nucleolus
Last Answer : (1) chloroplasts Explanation: Chloroplast, found in plant cells, is the site of photosynthesis in plants to prepare food (glucose) for the plant with the use of energy. It is a green ... a and b that absorb visible light energy and convert it to usable chemical energy in photosynthesis.
Description : .Protein synthesis in an animal cell, takes place (a) in the cytoplasm as well as endoplasmic reticulum (b) only on ribose attached to nucleon (c) only in the cytoplasm (d) in the nucleolus as well as in the cytoplasm.
Last Answer : (d) in the nucleolus as well as in the cytoplasm.
Description : Protein synthesis in an animal cell, takes place (a) in the cytoplasm as well as endoplasmic reticulum (b) only on ribose attached to nucleon (c) only in the cytoplasm (d) in the nucleolus as well as in the cytoplasm.
Description : DNA is mainly found in (a) nucleolus (b) nucleus only (c) cytoplasm only (d) none of these
Last Answer : b) nucleus only
Description : Ribosomes are produced in (a) nucleolus (b) cytoplasm (c) mitochondria (d) Golgi body.
Last Answer : (a) nucleolus
Last Answer : chloroplasts
Description : The role of transfer RNS (IRNA) is to (a) Transfer mRNA from the nucleus to the cytoplasm (b) Carry amino acids from the cytoplasm to the nucleus (c) Carry the newly synthesised protein to its site of function in the cell (d) Transport amino acids to ribosomes
Last Answer : Ans:(d)
Description : Reappearance of nuclear membrane & nucleolus along with thining & elongation in chromosomes are diagnostic characters for the phase:-
Last Answer : Reappearance of nuclear membrane & nucleolus along with thining & elongation in chromosomes are diagnostic ... B. Metaphase C. Interphase D. Telophase
Description : The period of cell division when the nuclear envelop and nucleolus totally disappear is called a. Prophase b. Metaphase c. anaphase d. telophase
Last Answer : Metaphase
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 : Ribosomes are constructed in the (A) Endoplasmic reticulum (B) Nucleoid (C) Nucleolus (D) Nuclear pore
Last Answer : (C) Nucleolus
Description : During the final stage of cell division, the mitotic apparatus disappears, the chromosomes become attenuated, the centrioles duplicate and split, the nuclear membrane becomes reconstituted and the nucleolus reappears. This ... as: a) prophase (pron: prO-phase) b) metaphase c) anaphase d) telophase
Last Answer : ANSWER: D -- Telophase
Description : Nucleoproteins gave first sign of :
Last Answer : Nucleoproteins gave first sign of : A. Specise B. Evolution C. Life D. None
Description : Genetic information originates from (A) Cistron of DNA (B) Codons of mRNA (C) Anticodons of tRNA (D) Histones of nucleoproteins
Last Answer : Answer : A
Description : All following are conjugated proteins except (A) Nucleoproteins (B) Proteoses (C) Metalloproteins (D) Flavoproteins
Last Answer : Answer : B
Description : A simple protein found in the nucleoproteins of the sperm is (A) Prolamine (B) Protamine (C) Glutelin (D) Globulin
Description : Glycosides are found in many (A) Vitamins (B) Drugs (C) Minerals (D) Nucleoproteins
Last Answer : B
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 : 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 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 : 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 : 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 structures is not found in a prokaryotic cell? (a) Mesosome (b) Plasma membrane (c) Nuclear envelope (d) Ribosome
Last Answer : (c) Nuclear envelope
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 : An important step in protein synthesis is transcription. Which of the following statement(s) is/are true concerning this process? a. The first step in gene transcription involves separating the double helix ... nucleus to the cytoplasm d. Only one protein can be produced from an initial mRNA strand
Last Answer : Answer: c Transcription of a gene begins at an initiation site associated with a specific DNA sequence, termed a promoter region. After binding to DNA, the RNA polymerase opens up a short ... different proteins from the same gene. mRNA is exported from the nucleus only after processing is complete
Description : Cleavage divisions differ from normal mitotic divisions in that: (a) There is no nuclear division during cleavage (b) There is no division of cytoplasm during cleavage (c) The division of cytoplasm follows nuclear division (d) There is no period of growth in between divisions
Description : Antigens are present (a) inside the cytoplasm (b) on nuclear membrane (c) inside the nucleus (d) on cell surface.
Last Answer : (d) on cell surface.
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 : What is nucleoplasm ?
Last Answer : The jelly-like substance or juice inside the nucleus membrane is called nucleoplasm. Data source Wikipedia
Description : Removal of RNA polymerase III from nucleoplasm will affect the synthesis of (a) tRNA (b) hnRNA (c) mRNA (d) rRNA.
Last Answer : mRNA
Last Answer : (a) tRNA