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

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

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

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

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

In which stage of cell cycle, DNA replication occurs? (a) G1-phase (b) S-phase (c) G2-phase (d) M-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

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

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

Last Answer : (a) S-phase

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

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

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.

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

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

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 

DNA replication occur in which stage of cell division? (a) G1 phase (b) G2 phase (c) S phase (d) M 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

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

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

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.

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

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

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

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.

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

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

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

Last Answer : answer:

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

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

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

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

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 asks whether the numbers can be partitioned into two sets A Image Which of the following is true ? (A) S1 is NP problem and S2 is P problem. (B) S1 is NP problem and S2 is NP problem. (C) S1 is P problem and S2 is P problem. (D) S1 is P problem and S2 is NP problem.

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.

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

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

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? (A) G1 is ambiguous and G2 is not ambiguous. (B) G1 is ambiguous and G2 is ambiguous. (C) G1 is not ambiguous and G2 is ambiguous. (D) G1 is not ambiguous and G2 is not ambiguous.

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.

Two synchronous generators G1, G2 are operating in parallel and are equally sharing KVAR (Lag) component

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

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

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

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

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

Last Answer : The cell grows to its mature size.

A cell that is entering the mitotic phase (M-phase) of cell cycle is :-

Description : A cell that is entering the mitotic phase (M-phase) of cell cycle is :-

Last Answer : A cell that is entering the mitotic phase (M-phase) of cell cycle is :- A. ... chromosomes D. always diploid and with unduplicated chromosomes

$ The regular sequences of a cell cycle is `G_(1),S,G_(2),M` and C ! Replication of DNA occurs during S phase.

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.

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 separate but chromatids move towards opposite poles (v) Pachytene (a) A-(i), B-(ii), C-(v), D-(iv) (b) A-(ii), B-(iii), C-(iv), D-(v) (c) A-(ii), B-(i), C-(iii), D-(iv) (d) A-(ii), B-(iii), C-(v), D-(iv)

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)

Restriction endonucleases (a) are present in mammalian cells for degradation of DNA when the cell dies (b) are used in genetic engineering for ligating two DNA molecules (c) are used for in vitro DNA synthesis (d) are synthesized by bacteria as part of their defense mechanism.

Description : Restriction endonucleases (a) are present in mammalian cells for degradation of DNA when the cell dies (b) are used in genetic engineering for ligating two DNA molecules (c) are used for in vitro DNA synthesis (d) are synthesized by bacteria as part of their defense mechanism.

Last Answer : (d) are synthesized by bacteria as part of their defense mechanism.

When is DNA copied in the mitotic phase?

Description : When is DNA copied in the mitotic phase?

Last Answer : Need answer

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 phase of cell division is known as:

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

Restriction endonucleases are (a) used for in vitro DNA synthesis (b) used in genetic engineering (c) synthesized by bacteria (d) present in mammalian cells for degradation of DNA.

Description : Restriction endonucleases are (a) used for in vitro DNA synthesis (b) used in genetic engineering (c) synthesized by bacteria (d) present in mammalian cells for degradation of DNA.

Last Answer : (b) used in genetic engineering

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

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)

The synthesis of 3-hydroxy-3-methylglutaryl-CoA can occur (A) Only in mitochondria of all mammalian tissues (B) Only in the cytosol of all mammalian tissue (C) In both cytosol and mitochondria (D) In lysosomes

Description : The synthesis of 3-hydroxy-3-methylglutaryl-CoA can occur (A) Only in mitochondria of all mammalian tissues (B) Only in the cytosol of all mammalian tissue (C) In both cytosol and mitochondria (D) In lysosomes

Last Answer : Answer : C

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

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`

What happens in synthesis phase during cell cycle:-

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

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

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

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

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

Chain elongation of fatty acids in mammalian liver occurs in (A) Nucleus (B) Ribosomes (C) Lysosomes (D) Microsomes

Description : Chain elongation of fatty acids in mammalian liver occurs in (A) Nucleus (B) Ribosomes (C) Lysosomes (D) Microsomes

Last Answer : Answer : D

Oxidative conversion of many amino acids to their corresponding -ketoacids occurs in mammalian: (A) Liver and kidney (B) Adipose tissue (C) Pancreas (D) Intestine

Description : Oxidative conversion of many amino acids to their corresponding -ketoacids occurs in mammalian: (A) Liver and kidney (B) Adipose tissue (C) Pancreas (D) Intestine

Last Answer : Answer : A

Glucokinase (A) Is widely distributed and occurs in most mammalian tissues (B) Has a high km for glucose and hence is important in the phosphorylation of glucose primarily after ingestion of a carbohydrate rich meal (C) Is widely distributed in Prokaryotes (D) None of these

Description : Glucokinase (A) Is widely distributed and occurs in most mammalian tissues (B) Has a high km for glucose and hence is important in the phosphorylation of glucose primarily after ingestion of a carbohydrate rich meal (C) Is widely distributed in Prokaryotes (D) None of these

Last Answer : B

The mammalian DNA polymerase involved in error correction is (A) DNA polymerase α (B) DNA polymerase β (C) DNA polymerase γ (D) DNA polymerase δ

Description : The mammalian DNA polymerase involved in error correction is (A) DNA polymerase α (B) DNA polymerase β (C) DNA polymerase γ (D) DNA polymerase δ

Last Answer : Answer : B

Mammalian DNA polymerase γ is located in (A) Nucleus (B) Nucleolus (C) Mitochondria (D) Cytosol

Description : Mammalian DNA polymerase γ is located in (A) Nucleus (B) Nucleolus (C) Mitochondria (D) Cytosol

Last Answer : Answer : C

A mammalian DNA polymerase among the following is (A) DNA polymerase α (B) DNA polymerase I (C) DNA polymerase II (D) DNA polymerase IV

Description : A mammalian DNA polymerase among the following is (A) DNA polymerase α (B) DNA polymerase I (C) DNA polymerase II (D) DNA polymerase IV

Last Answer : Answer : A

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.

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

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) four times the number of chromosomes and twice the amount of DNA (c) twice the number of chromosomes and twice the amount of DNA (d) same number of chromosomes but twice the amount of DNA

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

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

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

Last Answer : answer:

What is the average cell cycle span for a mammalian cell? -Biology

Description : What is the average cell cycle span for a mammalian cell? -Biology

Last Answer : answer:

If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109 bp, then the length of the DNA is approximately (a) 2.0 meters (b) 2.5 meters (c) 2.2 meters (d) 2.7 meters.

Description : If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109 bp, then the length of the DNA is approximately (a) 2.0 meters (b) 2.5 meters (c) 2.2 meters (d) 2.7 meters.

Last Answer : (b) 2.5 meters

If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109 bp, then the length of the DNA is approximately (a) 2.0 meters (b) 2.5 meters (c) 2.2 meters (d) 2.7 meters.

Description : If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109 bp, then the length of the DNA is approximately (a) 2.0 meters (b) 2.5 meters (c) 2.2 meters (d) 2.7 meters.

Last Answer : (c) 2.2 meters

. DNA replication in bacteria occurs (a) within nucleolus (b) prior to fission (c) just before transcription (d) during S phase.

Description : . DNA replication in bacteria occurs (a) within nucleolus (b) prior to fission (c) just before transcription (d) during S phase.

Last Answer : (b) prior to fission

DNA replication in bacteria occurs: (1) Within nucleolus (2) Prior to fission (3) Just before transcription (4) During S phase

Description : DNA replication in bacteria occurs: (1) Within nucleolus (2) Prior to fission (3) Just before transcription (4) During S phase

Last Answer : (2) Prior to fission

Multiple checkpoints in the eukaryotic cell cycle ensure that division occurs only after sufficient growth and faithful DNA replication, and only when favorable conditions exist. Of the many proteins involved in cell cycle control, cyclin-dependent kinases (CDKs) are among the most important. How do CDKs function to control the cell cycle?

Description : Multiple checkpoints in the eukaryotic cell cycle ensure that division occurs only after sufficient growth and faithful DNA replication, and only when favorable conditions exist. Of the many proteins involved in ... CDKs) are among the most important. How do CDKs function to control the cell cycle?

Last Answer : CDKs phosphorylate various protein substrates that are required for cell cycle progression. Some of the important substrate proteins that CDKs phosphorylate include condensin proteins, which are essential ... which form a stabilizing network under the nuclear membrane that assembles during mitosis.