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BIOXI10: CELL CYCLE AND CELL DIVISION

336126 Which one of the following is incorrect?

1

G_{1}

Phase corresponds to interval between mitosis and initiation of DNA replication

2 During

G_{1}

Phase the cell is metabolically active

3 DNA replication takes place during S-phase

4 Cell growth in terms of cytoplasmic increase is a discontinuous process

Explanation:

Although cell growth (in terms of cytoplasmic increase) is a continuous process, DNA synthesis occurs only during one specific stage in the cell cycle i.e. S-phase. $G_{1}$ phase corresponds to the interval between mitosis and initiation of DNA replication. During $G_{1}$ phase the cell is metabolically active and continuously grows but does not replicate its DNA.

BIOXI10: CELL CYCLE AND CELL DIVISION

336127 During cell cycle, when does the following takes place respectively :-
A. RNA and protein synthesis for cell growth
B. RNA and protein synthesis for cell division

1

G_{1}

and

G_{2}

- phase

2 S - phase and

G_{2}

- phase

3 M - phase and

G_{2}

- phase

4

G_{1}

and M - phase

Explanation:

During $G_{1}$ phase, the cell is metabolically active and synthesises RNA and protein that help with cell growth. During the $G_{2}$ phase, RNA and proteins are synthesised in preparation for mitosis while cell growth continues.

BIOXI10: CELL CYCLE AND CELL DIVISION

336128 Which phase of cell cycle is known as quiescent stage?

1 M phase

2

G_{0}

phase

3 G phase

4 S phase

Explanation:

$G_{0}$ phase is non-cycling quiescent stage of cell which leaves the cell cycle in the early half of $G_{1}$ phase due to absence of cycling factors.

BIOXI10: CELL CYCLE AND CELL DIVISION

336129 In a mitotic cell cycle if the initial DNA content in $G_{1}$ phase is $10 pg$ then the amount DNA in the resulting daughter cell is

1 20 pg

2 10 pg

3 30 pg

4 40 pg

Explanation:

The DNA content remains the same in mitosis, so the amount of DNA in the resulting daughter cell is also $10 pg$ , which is the same as in the G1 phase.

BIOXI10: CELL CYCLE AND CELL DIVISION

336126 Which one of the following is incorrect?

1

G_{1}

Phase corresponds to interval between mitosis and initiation of DNA replication

2 During

G_{1}

Phase the cell is metabolically active

3 DNA replication takes place during S-phase

4 Cell growth in terms of cytoplasmic increase is a discontinuous process

Explanation:

Although cell growth (in terms of cytoplasmic increase) is a continuous process, DNA synthesis occurs only during one specific stage in the cell cycle i.e. S-phase. $G_{1}$ phase corresponds to the interval between mitosis and initiation of DNA replication. During $G_{1}$ phase the cell is metabolically active and continuously grows but does not replicate its DNA.

BIOXI10: CELL CYCLE AND CELL DIVISION

336127 During cell cycle, when does the following takes place respectively :-
A. RNA and protein synthesis for cell growth
B. RNA and protein synthesis for cell division

1

G_{1}

and

G_{2}

- phase

2 S - phase and

G_{2}

- phase

3 M - phase and

G_{2}

- phase

4

G_{1}

and M - phase

Explanation:

During $G_{1}$ phase, the cell is metabolically active and synthesises RNA and protein that help with cell growth. During the $G_{2}$ phase, RNA and proteins are synthesised in preparation for mitosis while cell growth continues.

BIOXI10: CELL CYCLE AND CELL DIVISION

336128 Which phase of cell cycle is known as quiescent stage?

1 M phase

2

G_{0}

phase

3 G phase

4 S phase

Explanation:

$G_{0}$ phase is non-cycling quiescent stage of cell which leaves the cell cycle in the early half of $G_{1}$ phase due to absence of cycling factors.

BIOXI10: CELL CYCLE AND CELL DIVISION

336129 In a mitotic cell cycle if the initial DNA content in $G_{1}$ phase is $10 pg$ then the amount DNA in the resulting daughter cell is

1 20 pg

2 10 pg

3 30 pg

4 40 pg

Explanation:

The DNA content remains the same in mitosis, so the amount of DNA in the resulting daughter cell is also $10 pg$ , which is the same as in the G1 phase.

BIOXI10: CELL CYCLE AND CELL DIVISION

336126 Which one of the following is incorrect?

1

G_{1}

Phase corresponds to interval between mitosis and initiation of DNA replication

2 During

G_{1}

Phase the cell is metabolically active

3 DNA replication takes place during S-phase

4 Cell growth in terms of cytoplasmic increase is a discontinuous process

Explanation:

Although cell growth (in terms of cytoplasmic increase) is a continuous process, DNA synthesis occurs only during one specific stage in the cell cycle i.e. S-phase. $G_{1}$ phase corresponds to the interval between mitosis and initiation of DNA replication. During $G_{1}$ phase the cell is metabolically active and continuously grows but does not replicate its DNA.

BIOXI10: CELL CYCLE AND CELL DIVISION

336127 During cell cycle, when does the following takes place respectively :-
A. RNA and protein synthesis for cell growth
B. RNA and protein synthesis for cell division

1

G_{1}

and

G_{2}

- phase

2 S - phase and

G_{2}

- phase

3 M - phase and

G_{2}

- phase

4

G_{1}

and M - phase

Explanation:

During $G_{1}$ phase, the cell is metabolically active and synthesises RNA and protein that help with cell growth. During the $G_{2}$ phase, RNA and proteins are synthesised in preparation for mitosis while cell growth continues.

BIOXI10: CELL CYCLE AND CELL DIVISION

336128 Which phase of cell cycle is known as quiescent stage?

1 M phase

2

G_{0}

phase

3 G phase

4 S phase

Explanation:

$G_{0}$ phase is non-cycling quiescent stage of cell which leaves the cell cycle in the early half of $G_{1}$ phase due to absence of cycling factors.

BIOXI10: CELL CYCLE AND CELL DIVISION

336129 In a mitotic cell cycle if the initial DNA content in $G_{1}$ phase is $10 pg$ then the amount DNA in the resulting daughter cell is

1 20 pg

2 10 pg

3 30 pg

4 40 pg

Explanation:

The DNA content remains the same in mitosis, so the amount of DNA in the resulting daughter cell is also $10 pg$ , which is the same as in the G1 phase.

BIOXI10: CELL CYCLE AND CELL DIVISION

336126 Which one of the following is incorrect?

1

G_{1}

Phase corresponds to interval between mitosis and initiation of DNA replication

2 During

G_{1}

Phase the cell is metabolically active

3 DNA replication takes place during S-phase

4 Cell growth in terms of cytoplasmic increase is a discontinuous process

Explanation:

Although cell growth (in terms of cytoplasmic increase) is a continuous process, DNA synthesis occurs only during one specific stage in the cell cycle i.e. S-phase. $G_{1}$ phase corresponds to the interval between mitosis and initiation of DNA replication. During $G_{1}$ phase the cell is metabolically active and continuously grows but does not replicate its DNA.

BIOXI10: CELL CYCLE AND CELL DIVISION

336127 During cell cycle, when does the following takes place respectively :-
A. RNA and protein synthesis for cell growth
B. RNA and protein synthesis for cell division

1

G_{1}

and

G_{2}

- phase

2 S - phase and

G_{2}

- phase

3 M - phase and

G_{2}

- phase

4

G_{1}

and M - phase

Explanation:

During $G_{1}$ phase, the cell is metabolically active and synthesises RNA and protein that help with cell growth. During the $G_{2}$ phase, RNA and proteins are synthesised in preparation for mitosis while cell growth continues.

BIOXI10: CELL CYCLE AND CELL DIVISION

336128 Which phase of cell cycle is known as quiescent stage?

1 M phase

2

G_{0}

phase

3 G phase

4 S phase

Explanation:

$G_{0}$ phase is non-cycling quiescent stage of cell which leaves the cell cycle in the early half of $G_{1}$ phase due to absence of cycling factors.

BIOXI10: CELL CYCLE AND CELL DIVISION

336129 In a mitotic cell cycle if the initial DNA content in $G_{1}$ phase is $10 pg$ then the amount DNA in the resulting daughter cell is

1 20 pg

2 10 pg

3 30 pg

4 40 pg

Explanation:

The DNA content remains the same in mitosis, so the amount of DNA in the resulting daughter cell is also $10 pg$ , which is the same as in the G1 phase.