During cell growth, DNA synthesis takes place on
(a) S-phase (b) G1-phase
(c) G2-phase (d) M phase.

1 Answer

Answer :

(a) S-phase

Related questions

Description : In a somatic cell cycle, DNA synthesis takes place in (a) G1 phase (b) prophase of mitosis (c) S-phase (d) G2 phase.

Last Answer : (c) S-phase

Description : In mammalian cell cycle, synthesis of DNA occurs during (A) S phase (B) G1 phase (C) Mitotic Phase (D) G2 phase

Last Answer : Answer : A

Description : In the somatic cell cycle (a) in G1 phase DNA content is double the amount of DNA present in the original cell (b) DNA replication takes place in S phase (c) a short interphase is followed by a long mitotic phase (d) G2 phase follows mitotic phase.

Last Answer : (b) DNA replication takes place in S phase

Description : During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C? (a) G0 and G1 (b) G1 and S (c) Only G2 (d) G2 and M

Last Answer : (c) Only G2

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 : 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 : During which phase of the cell cycle are normal components of the cell synthesized and assembled? a) the M phase b) the G1 phase c) the S phase d) the G2 phase

Last Answer : ANSWER: B -- THE G1 PHASE 

Description : When cell has stalled DNA replication fork, which checkpoint should be predominantly activated? (a) G1/S (b) G2/M (c) M (d) Both G2/M and M

Last Answer : b) G2/M

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 : Identify the correct statement with regard to G1 phase (Gap 1) of interphase. (a) DNA synthesis or replication takes place. (b) Reorganisation of all cell components takes place. (c) Cell is metabolically active, grows but does not replicate its DNA. (d) Nuclear division takes place.

Last Answer : (c) Cell is metabolically active, grows but does not

Description : Which typical stage is known for DNA replication? (a) S-phase (b) G2-phase (c) metaphase (d) G1-phase

Last Answer : (a) S-phase

Description : The correct sequence of phases of cell cycle is (a) G1 → S → G2 → M (b) M → G1 → G2 → S (c) G1 → G2 → S → M (d) S → G1 → G2 → M.

Last Answer : (a) G1 → S → G2 → M

Description : Given the following statements :  S1 : The subgraph-isomorphism problem takes two graphs G1 and G2 and asks whether G1 is a subgraph of G2.  S2 : The set-partition problem takes as input a set S of numbers and ... S1 is P problem and S2 is P problem. (D) S1 is P problem and S2 is NP problem.

Last Answer : (B) S1 is NP problem and S2 is NP problem.

Description : Events occurring during the G1, S, and G2 stages of interphase. -Biology

Last Answer : answer:

Description : Most abundant Ig G subclass in the serum is (A) Ig G1 (B) Ig G2 (C) Ig G3 (D) Ig G4

Last Answer : Answer : A

Description : The maximum distance of the apex of a vertical curve of length L from the point of intersection of two grades + g1%, and - g2% (g1 > g2), is (A) L(g - g (B) L(g - g (C) L(g g (D) L(g - g

Last Answer : Answer: Option C

Description : Given the production rules of a grammar G1 as S1→AB | aaB A→a | Aa B→b and the production rules of a grammar G2 as S2→aS2bS2 | bS2aS2 | λ Which of the following is correct statement? ( ... G1 is not ambiguous and G2 is ambiguous. (D) G1 is not ambiguous and G2 is not ambiguous.

Last Answer : (B) G1 is ambiguous and G2 is ambiguous.

Description : Two synchronous generators G1, G2 are operating in parallel and are equally sharing KVAR (Lag) component of load. To shift part of KVAR from G2 to G1, while keeping terminal voltage fixed, the following action must be done

Last Answer : Two synchronous generators G1, G2 are operating in parallel and are equally sharing KVAR (Lag) component of load. To shift part of KVAR from G2 to G1, while keeping terminal voltage fixed, the following action must be done Raise If1 and lower If2

Last Answer : Three elements having conductance G1 , G2 and G3 are connected in parallel. Their combined conductance will be  G1 + G2 +G3

Description : Select the correct option. Column I Column II A. Synapsis aligns (i) Anaphase II homologous chromosomes B. Synthesis of (ii) Zygotene RNA and protein C. Action of enzyme (iii)G2-phase recombinase D. Centromeres do (iv) Anaphase I not ... ), C-(iii), D-(iv) (d) A-(ii), B-(iii), C-(v), D-(iv)

Last Answer : (d) A-(ii), B-(iii), C-(v), D-(iv)

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 : What happens during during the g1 phase of the cell cycle?

Last Answer : The cell grows to its mature size.

Description : At what stage of cell cycle DNA synthesis takes place? -Biology

Last Answer : answer:

Description : Which of the following act as the blueprint or template for the process of protein synthesis that takes place on ribosomes? A.rRNA B.DNA C.tRNA D.mRNA

Last Answer : mRNA

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 : Can anyone tell m were the actual chromosome multiplication takes place during mitosis... The ncert book mentions only dna -Biology

Last Answer : answer:

Description : Peptide synthesis inside a cell takes place in

Last Answer : Peptide synthesis inside a cell takes place in A. Chloroplast B. Mitochondria C. Chromoplast D. Ribosomes

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.

Last Answer : (d) in the nucleolus as well as in the cytoplasm.

Description : Peptide synthesis inside a cell takes place in (a) chloroplast (b) mitochondria (c) chromoplast (d) ribosomes

Last Answer : (d) ribosomes.

Description : A cell cycle consists of (a) Mitosis and meiosis (b) GI, the Sphase, and G2 (c) Prophase, metaphase, anaphase and telophase (d) Interphase and mitosis

Last Answer : Ans:(d)

Description : Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oncogenes

Last Answer : Answer : C

Description : Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oneogenes

Last Answer : Answer : C

Description : 6.9 For therapeutic use, growth hormone is obtained from: A. Recombinant DNA technique B. Human cadaver pituitaries C. Porcine pituitaries D. Chemical synthesis

Last Answer : A. Recombinant DNA technique

Description : Most hormone receptors are localized on the cell membrane and transduce hormone binding into altered levels of intracellular messengers. A limited number of intracellular receptors do exist. Which of ... protein serves as an inhibitor protein blocking the DNA-binding domain of the steroid receptor

Last Answer : Answer: a, d Although most hormone and other messenger receptors are extracellular, intracellular receptors have been identified. The hormone messengers involved for these receptors are primarily ... DNA-binding domain of the receptor. Activation involves the dissociation of the inhibitor protein

Description : Pre - DNA synthesis phase is :-

Last Answer : Pre - DNA synthesis phase is :- A. `G_(1)-"phase"` B. `G_(2)-"phase"` C. S-phase D. Prophase

Description : With regard to interleukins: a. IL-2 is produced mainly by CD8+ cells b. IL-3 stimulates the growth of haemopoietic stem cells c. IL-4 increases the production of IL-1 d. IL-6 stimulates acute phase protein synthesis

Last Answer : IL-6 stimulates acute phase protein synthesis

Description : Assertion :- During S-phase, amount of DNA per cell boubles. Reason :- During S-phase, there is no increase in cromosome number.

Last Answer : Assertion :- During S-phase, amount of DNA per cell boubles. Reason :- During S-phase, there is ... False. D. If both Assertion & Reason are false.

Description : During which phase(s) of cell cycle amount of DNA in a cell remains at 4C level if the initial amount is denoted an 2C

Last Answer : During which phase(s) of cell cycle amount of DNA in a cell remains at 4C level if the initial amount is denoted ... Only `G_(2)` D. `G_(2)" and M`

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 statements are true of oxidants? A. In addition to their pathophysiologic roles in inflammation, injury, and infection, oxidants also have physiologic roles. B. Oxidants may ... involved the catalytic production of superoxide anion (O 2 ) by the enzyme xanthine oxidase.

Last Answer : Answer: ABCD DISCUSSION: Oxidants are reactive oxygen metabolites that have both physiologic and pathophysiologic roles. As potent oxidizing agents, oxidants are involved in cytochrome P ... leukocyte infiltration and activation, causing further tissue damage by the release of cytotoxic proteases

Description : What happens in synthesis phase during cell cycle:-

Last Answer : What happens in synthesis phase during cell cycle:- A. DNA stnthesis B. Chromosome number becomes ... of two nuclei D. Synthesis of tubulin proteins

Description : Assertion : Replication of DNA not occurs during interkinesis. Reason : Divison of chromosomes takes place during meiosis-II.

Last Answer : Assertion : Replication of DNA not occurs during interkinesis. Reason : Divison of chromosomes takes place ... . If both Assertion & Reason are false.

Description : Urea synthesis takes place in

Last Answer : Urea synthesis takes place in A. Urinary bladder B. Alimentary canal C. Liver D. Kidney

Description : Urea synthesis takes place primarily in liver because

Last Answer : Urea synthesis takes place primarily in liver because A. Enzyme arginase is present in liver only. B. ... liver only. D. Kidney is smaller than liver.

Description : Fatty acid synthesis takes place in the presence of the coenzyme: (A) NAD+ (B) Reduced NAD (C) NADP+ (D) Reduced NADP

Last Answer : Answer : D

Description : Urea synthesis takes place in (A) Blood (B) Liver (C) Kidney (D) Heart

Last Answer : Answer : B

Description : The amino acid from which synthesis of the protein of hair keratin takes place is (A) Alanine (B) Methionine (C) Proline (D) Hydroxyproline

Last Answer : Answer : B

Description : Read the following four statements, (i), (ii), (iii) and (iv) and select the right option having both correct statements. Statements : (i) Z scheme of light reaction takes place in presence of PSI only. (ii) Only PSI is ... and (iv) (b) (i) and (ii) (c) (ii) and (iii) (d) (iii) and (iv)

Last Answer : (a) (ii) and (iv)