Description : Which one is correct for `G_(0)` stage ? I. It is a quiescent stage. II. In this phase cell cycle is stopped III. `G_(0)` cells do not grow or prolife
Last Answer : Which one is correct for `G_(0)` stage ? I. It is a quiescent stage. II. In this phase cell cycle ... . I,II are correct D. Only I and IV are correct
Description : $ The regular sequences of a cell cycle is `G_(1),S,G_(2),M` and C ! Replication of DNA occurs during S phase.
Last Answer : $ The regular sequences of a cell cycle is `G_(1),S,G_(2),M` and C ! Replication of DNA occurs during ... , R is wrong D. If both As and R are wrong.
Description : During `G_(2)` -phase a diploid cell contains the amount of DNA equal to a :-
Last Answer : During `G_(2)` -phase a diploid cell contains the amount of DNA equal to a :- A. Diploid ... Tetraploid cell C. Haploid cell D. Nothing can be said
Description : A cell examined during prophase of cell cycle contained 100 units of DNA and 50 chromosomes. What would be the number of DNA and chromosome in anaphas
Last Answer : A cell examined during prophase of cell cycle contained 100 units of DNA and 50 chromosomes. What ... & 100 chromosomes D. 50 DNA & 25 chromosomes
Description : In ‘S’ phase of the cell cycle (a) amount of DNA doubles in each cell (b) amount of DNA remains same in each cell (c) chromosome number is increased (d) amount of DNA is reduced to half in each cell.
Last Answer : (a) amount of DNA doubles in each cell
Description : If the cell had diploid or 2n number of chromosomes at `G_(1)`, after S phase the number of chromosomes in the cell is ?
Last Answer : If the cell had diploid or 2n number of chromosomes at `G_(1)`, after S phase the number of chromosomes in the cell is ? A. 2 n B. 4 n C. n D. 3n
Description : If the cell is diploid in `G_(1)` than after the S phase cell remain/become:-
Last Answer : If the cell is diploid in `G_(1)` than after the S phase cell remain/become:- A. n B. 4n C. 8n D. 2n
Description : Specialized transduction is carried out by a. Virulent Phages That Have A Lytic Cycle Of Infection. b. Temperate Phages Carrying A Entire Bacterial Chromosome. c. Temperate Phages That Carry A Segment Of Host Dna. d. Virulent Phages That Swap Dna Segments.
Last Answer : c. Temperate Phages That Carry A Segment Of Host Dna.
Description : At what stage of cell cycle DNA synthesis takes place? -Biology
Last Answer : answer:
Description : When a cell makes a copy of its DNA during the stage of the cell cycle called mitosis true or false?
Last Answer : Need answer
Description : In which stage of cell cycle, DNA replication occurs? (a) G1-phase (b) S-phase (c) G2-phase (d) M-phase
Last Answer : (b) S-phase
Description : At what stage of mitosis cell division does half of the chromosome move towards the North Pole and half towards the South Pole ?
Last Answer : Answer : In the anaphase stage of mitosis cell division, half of the chromosomes move towards the North Pole and half towards the South Pole.
Last Answer : 45y The value of g_ is considered to be the equivalent of latitude sea level .
Description : Which of the following is wrong about `G_(1)` phase?
Last Answer : Which of the following is wrong about `G_(1)` phase? A. G-1 Stage followed by Mitosis B ... Cell grows continuously D. Cell does not replicate its DNA
Description : The gas `(G_(1))` acts as
Last Answer : The gas `(G_(1))` acts as A. Oxidising agent B. reducing agent C. oxidisting and reducitng agent D. fluxing agent
Description : Which type of chromosome is present in the prophase of cell cycle?
Last Answer : Which type of chromosome is present in the prophase of cell cycle? A. 2 chromatid B. 1 chromatid C. 4 chromatid D. 8 chromatid
Description : Assertion:- A single human cell has approximately two meter long thread of DNA distributed in each chromosome. Reason:- Durring different stages of ce
Last Answer : Assertion:- A single human cell has approximately two meter long thread of DNA distributed in each ... D. If both Assertion & Reason are false.
Description : Which of the following statements is not true for retroviruses? (a) DNA is not present at any stage in the life cycle of retroviruses. (b) Retroviruses carry gene for RNA-dependent DNA ... mature retroviruses is RNA. (d) Retroviruses are causative agents for certain kinds of cancer in man.
Last Answer : (a) DNA is not present at any stage in the life cycle of retroviruses
Description : At what stage do each chromosome split vertically to form two chromatids ?
Last Answer : Each chromosome splits vertically to form two chromatids in the prophase step.
Description : At what stage of mitosis division does the offspring chromosome form ?
Last Answer : In the anaphase stage of mitosis division, offspring chromosomes are formed.
Description : Can anyone tell m were the actual chromosome multiplication takes place during mitosis... The ncert book mentions only dna -Biology
Description : What chromosome is the ring of DNA in a?
Last Answer : What is the answer ?
Description : Yeast artificial chromosome can be used to amplify DNA sequences of the size (A) Upto 10 kb (B) Upto 45 kb (C) Upto 100 kb (D) Upto 1,000 kb
Last Answer : Answer : D
Description : Which one of the following techniques can be used to establish the paternity of a child? (1) Protein analysis (2) Chromosome counting (3) Quantitative analysis of DNA (4) DNA finger printing
Last Answer : (4) DNA finger printing Explanation: Paternity law refers to body of law underlying legal relationship between a father and his biological or adopted children and deals with the rights and obligations of both the father and the child to each other as well as to others.
Description : Which of the following techniques can be used to establish the paternity of a child? (1) Protein analysis (2) Chromosome counting (3) Quantitative analysis of DNA (4) DNA finger printing
Last Answer : (4) DNA finger printing
Description : Which vector can clone only a small fragment of DNA? (a) Bacterial artificial chromosome (b) Yeast artificial chromosome (c) Plasmid (d) Cosmid
Last Answer : (c) Plasmid
Description : .Centromere is required for (a) replication of DNA (b) chromosome segregation (c) poleward movement of chromosomes (d) cytoplasmic cleavage.
Last Answer : (c) poleward movement of chromosomes
Description : Viruses have (a) DNA enclosed in a protein coat (b) prokaryotic nucleus (c) single chromosome (d) both DNA and RNA.
Last Answer : (a) DNA enclosed in a protein coat
Description : During the process of lysogeny _____. a. Phage DNA Integrates Into The Bacterial Chromosome. b. A Bacterium Acquires DNA From The External Environment. c. Competent Cells Receive Plasmids. d. New Phage Particles Are Assembled In The Host Bacterium.
Last Answer : a. Phage DNA Integrates Into The Bacterial Chromosome.
Description : A ______ can move a part of DNA to another place on the chromosome. a. translation. b. transferon c. transposon d. transition e. transcription
Last Answer : c. transposon
Description : At a chromosome replication fork, the lagging strand consists of__ That is joined by___. a. RNA sequences; DNA ligase b. Okazaki Fragments; RNA Polymerase c. RNA sequences; ribosomes d. Okazaki fragments; DNA ligase
Last Answer : d. Okazaki fragments; DNA ligase
Description : During DNA replication in prokaryotes, synthesis begins on the circular chromosome A.always at the same place B.at any stretch of DNA that is high in AT pairs C.randomly on the chromosome D.at the promoter
Last Answer : A.always at the same place
Description : Which of the following statement describes plasmids? A- Another name for a protoplast B- A complex membrane structure that covers the chromosome of bacteria Small, circular DNA molecules that can exist independently of chromosomes commonly C- found in bacteria D- None of the above
Last Answer : found in bacteria
Description : Which one of the following statements about the nucleoid is NOT true? a. It contains a DNA chromosome. b. It represents a nonmembranous subcompartment. c. It represents an area devoid of ribosomes. d. It contains nonessential genetic information.
Last Answer : d. It contains nonessential genetic information.
Description : What types of proteins are involved in the packaging and condensing of DNA into tightly wound nucleosome structures of a chromosome?
Last Answer : Histone
Description : Given below is a schematic break-up of the phases/stages of cell cycle :- Which one of the following is the correct indication of the stage/phase in t
Last Answer : Given below is a schematic break-up of the phases/stages of cell cycle :- Which one of the ... Metaphase C. C- Karyokinesis D. D- Synthesis phase
Description : In which stage of the cell cycle are histone proteins synthesised in a eukaryotic cells ?
Last Answer : In which stage of the cell cycle are histone proteins synthesised in a eukaryotic cells ? A. ... )` -stage of prophase D. During entire prophase
Description : In cell cycle, which stage is misnomerly called resting -I is called:-
Last Answer : In cell cycle, which stage is misnomerly called resting -I is called:- A. S-phase B. Telophase C. Cytokinesis D. Interphase
Description : In which stage of the cell cycle do eukaryotic cells spend most of their life?
Description : What is the longest stage of cell cycle called?
Last Answer : interphase
Description : In what stage of the cell cycle is the wedge represtimg growth?
Last Answer : ur mum
Description : What happens at each stage of the cell cycle?
Description : What is the shortest stage of a cell cycle?
Last Answer : The shortest stage of a cell cycle is cytokinesis. This is where there is divison of the cytoplasm.
Description : The final stage of the cell cycle, during which the cytoplasm divides, is called .?
Last Answer : cytoplasm
Description : Crossing over takes place between which chromatids and in which stage of the cell cycle ? (a) Non-sister chromatids of non-homologous chromosomes at Zygotene stage of prophase I. (b) Non- ... prophase I. (d) Non-sister chromatids of non-homologous chromosomes at Pachytene stage of prophase I.
Last Answer : (b) Non-sister chromatids of homologous chromosomes at Pachytene stage of prophase I.
Description : At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell? (a) During G2 stage of prophase (b) During S-phase (c) During entire prophase (d) During telophase
Last Answer : (b) During S-phase
Description : Given below is a schematic break-up of the phases/stages of cell cycle. Which one of the following is the correct indication of the stage/phase in the cell cycle? (a) C - karyokinesis (b) D - synthetic phase (c) A - cytokinesis (d) B - metaphase
Last Answer : (b) D - synthetic phase
Description : Some dividing cells exit the cell cycle and enter vegetative inactive stage. This is called quiescent stage (G0). This process occurs at the end of (a) M phase (b) G1 phase (c) S phase (d) G2 phase.
Last Answer : (b) G1 phase
Description : DNA replication occur in which stage of cell division? (a) G1 phase (b) G2 phase (c) S phase (d) M phase
Last Answer : (c) S phase
Description : A somatic cell that has just completed the S phase of its cell cycle, as compared to gamete of the same species, has (a) twice the number of chromosomes and four times the amount of DNA (b) ... of chromosomes and twice the amount of DNA (d) same number of chromosomes but twice the amount of DNA
Last Answer : (a) twice the number of chromosomes and four times the amount of DNA