Cell Cycle & Cell Division l Lecture 4 l Biology l NEET
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- Опубликовано: 4 янв 2025
- 1. Mitosis
2. Early prophase
3. Middle prophase
4. Late prophase
5. Pro-Metaphase
6. Mitotic pole
7. Transition to metaphase
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Total Checkpoints: 3
1st Check point:- G1 S point
2nd Check point: G2 M point
3rd Check point: M-point (in anaphase)
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Q. No (1) Total check point 3 :-
1st checkpoint :- G1 S point
2nd checkpoint :- G2 M point
3rd checkpoint :- M point
Q. No 2 :- G0
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2:54 there are total 3 checkpoints in the cell cycle
1. G1-S checkpoint - check upon nutrition, protein synthesis and dna if damaged/fault.
2. G2-M checkpoint - check upon dna replication and protein synthesis .
3. Metaphase-Anaphase checkpoint (M phase) - chromosome spindle arrangement and attachment.
3:45 cell undergoing differentiation to from tissue and organ are in G0 stage (Quescent stage) .
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Total checkpoint 3
1st checkpoint G1 S point
2nd checkpoint G2 M point
3rd checkpoint M point (in anaphase)
There are total of 3 checkpoints in a cell cycle. They are:
1) G1/S checkpoint
[• checks nutrients
• checks damaged DNA
•checks growth factors]
2)G2/M checkpoint
[•checks DNA replication
• checks cell size]
3) Metaphase- Ananphase checkpoint
[ Checks the arrangement of chromosomes on spindle fibre]
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There are 3 check point in cell cycle
•G1/S
• G2/M
• M
Differentiation cells are in Go phase
Three check points
💛G1 S PHASE
💛G2 M PHASE
💛M PHASE
💜G⁰ Phase
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There are three checkpoints
G1/S checkpoint between G1 phase and S phase
G2/M checkpoint between G2 phase and M phase
Mitotic checkpoint at metaphase
It a cell is differentiation phase it is in G0 phase
At 2:15-
* there are total 3 checkpoints in a cell cycle -
1. G1-S checkpoint
2.G2-M checkpoint
3.M-A checkpoint
At 3:45-
* a cell which is undergoing differentiation is in G0 phase
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🌀 Total Checkpoints - 3
1) G1 checkpoint : G1 - S
2) G2 Checkpoint : G2 - M
3) M Checkpoint - Metaphase
to Anaphase
🌀 G0 phase ( Quiescent phase )
Checkpoints in cell cycle
1) G1/S
2)G2/M
3) M/ANAPHASE
Ans👉 3 checkpoints . 1st- btw G1 and S phase
2nd- btw G2 and M phase
3rd - in M phase
42:01 Note a point here:
In new NCERT it is written: Centromere which had undergone duplication during interphase begins to move toward opposite poles of cell. Each Centromere radiates out microtubules called Asters. The two Asters together with spindle fibres form mitotic apparatus.
3 checkpoint
1-G1-s
2-G2-m phase
3- m phase
4) -- cell is differentiated in G0 phase.....
@@CNB_riderSS yes👍
Q1. 3 checkpoint are present in 1 cell cycle🧬
Q2. G1-S checkpoint ,G2 -M checkpoint , Anaphase- metaphase checkpoint 🧬
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Hmm Rabies
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1) check point-3
G1-S,G2-M, metaphase-anaphase
Total checkpoint 3
1..G1to s phase
2..G2to Mphase
3.M (anaphase)
Three check points
1-between G1 and S phase
2-between G2 and M phase
3-betwwn Meta and ana phase..
TQ sir 😇
1) There are 3 check points in the cell cycle.
2) Check points are present between:-
● G1 and S phase
● G2 and M phase
● Metaphase and Anaphase
Ans-1-3 checkpoints
(I) G1-S phase
(ii)G2-M phase
(III)M phase
Ans-2-G0 phase
Total checkpoint:-3
1st checkpoint:-G1 to S .
2nd checkpoint :-G2 to M
3rd checkpoint:-M point
(in anaphase )
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3 chek point
G1/ S phase
G2/ M phase
M phase
G0 phase
3 checkpoints,
G1-S phase
S-G2 phase
G2-M phase
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Q.1 3checkpoints
First checkpoint G1S
Second checkpoint G2M
Third checkpoint_ M point
THERE ARE TOTAL 3 CHECKPOINTS MAINLY (IN INTERPHASE THERE ARE TWO CHECKPOINTS :
1.G1-S CHECKPOINT.
2.G2-M CHECKPOINT. )
AND 3. METAPHASE CHECKPOINT.
There are three checkpoints in cell cycle ---
1)G1/S
2)G2/M
3)Metaphase checkpoint
3.39
A cell is differentiated in G0 phase
3 checkpoint in cell cycle
1. G1/ S checkpoint
2. G2/ M checkpoint
3 M phase checkpoint.
3 check point - G1-S phase , G2-M phase , meta - anaphase ,2 - G0 phase
There are total 3 CHECKPOINTS in Cell Cycle.
1. In G1 phase between G1 and S phase.
2. In G2 phase Between G2 and M phase.
3. In M phase Between Metaphase and Anaphase
Sahi baat hai Dr geetendra sir priceless hai Anmol heera hai hamara farz banta hai ki hum unko guru dakshana de
Total checkpoints: 3
They are G1/S checkpoint, G2/M checkpoint and M checkpoint
There are three check points.
1. B/w G¹ and S phase
2. B/w G² and M phase
3. B/w anaphase and telophase
sir, 3 Checkpoints .....1st-G1/S CP,,,2ND--G2/M CP,,,,,3RD--M
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G1- S check point
G2 - M check point
M check point
Good noon sir ... Amazing lectures ... Not comparable to anyone .. Reply was awsome ...
3- checkpoint
1. G1 phase
2. G2 phase
3. M phase
Total 3 checkpoints are present
2 in interphase and 1 in mitotic phase
When cell differentiate itself then it is in Go phase
1.) 3 checkpoints - G1 - S, G2 - M, in anaphase ( to check chromosomes are aligned or not)
2.) Differentiation Cell in G0 phase
Q1- In cell cycle there are 3 check point..
1- G1 check point-- in b/w G1 and S phase
2- G2 check point-- in b/w G2 and M phase
3- metaphase check point-- in b/w metaphase and anaphase..
Q2- G○ phase
No of checkpoint: 3
1. Between G1 and S
2. Between G2 and M
3. Between metaphase and anaphase
2:20
3 checkpoints
1. G1 S checkpoint
2. G1 M checkpoint
3. M point
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Total three check points 1st check point -g1 s point. 2nd check point -g2 m point. 3rd check point -mpoint (interphase)
Total 3 check point 1. G1 S check point 2.G2 M check point 3.M check point
First check point - G1 S point
Second check point -G2 point
Third check point - M point
Nd total 3 check point
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🌺total 3 checkpoints
1.)G1-S
2.)G2-M
3.)M-A
🌺G0 phase
3checkpoints--
G1-S CHECKPOINT
G2-M CHECKPOINT
M-A CHECKPOINT
5 checkpoints
G1S
G2 M
Metaphase anaphase checkpoint
Differentiated cell in GO phase
Total 3 checkpoint
1. G1S point
2. G2M point
3. M point
3 checkpoint
They are G1-S phase
G2-M phase and
In M phase between meta phase and ana phase
Mind blowing, wonderful lecture sir
♡ 3 CHECK POINT ARE THEIR IN CELL CYCLE.
●1ST CHECK POINT IN G1 TO S PHASE
●2ND CHECK POINT IN G2 TO M PHASE
●3RD CHECK POINT IN M PHASE
♡ DIFFERENTIATION IS IN G0 PHASE
Total chech point 3
B/w G1 and S
B/w. G2 and. M
In M phase
Total 3 checkpoints are there in a cell cycle
1. G1-S checkpoint
2. G2-M checkpoint
3. Metaphase -Anaphase checkpoint
3 checkpoint are there in cell cycle🔃 1-G1 S, 2-G2 M and 3- M
3 check points
1 G1/S
2 G2/M
3 M anaphase
There are 3 checkpoints.
G1/s
G2/m
And m phase
There are 3 checkpoints in a cell cycle. 1st present in G1/S phase, 2nd in G2/M phase and 3rd in M phase (between Metaphase and Anaphase).
3 checkpoint are there .1- G1 phase , G2 phase and Metaphase .
Total 3 checkpoints present . These are
(1) G1/S checkpoint ,
(2) G2/M checkpoint &
(3) Metaphase/ anaphase checkpoint or Spindle checkpoint .
3 checkpoints:
1.)G1/S checkpoint
2.)G2/M checkpoint
3.)Metaphase/Anaphase checkpoint
Cell differentiate in G0 phase
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GD afternoon sir
3 checkpoint
1) G1/S
2)G2/M
3)M
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Total 3 check points
G1 and s phase
G2 and m phase
Inside mphase--- anaphase
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Q1 three chekpoint
a)G1/S
G2/M
M
Differentiation cells are in Go phase
3 checkpoint
1 G1 to S
2 G2 to M
3 Metaphase checkpoint
Most importantly parents ka Pyaar or ashirvaad bhi free m milta h... But hum kbi utna pyaar vapas nai kr skte.
There are 3 check points present in cell cycle
1st. G1 - S checkpoint = present b/w G1and S phase
2nd. G2 - M checkpoint = present b/w G2 and M phase
3rd. Mitosis checkpoint = present in mitosis phase
Three checkpoint
1. G1 / S checkpoint
2. G2 / M checkpoint
3. M checkpoint
1. G1 to S phase
1. G1/S
2. G2/M
3. M
Are three check points
G0 phase : differentiation
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➡️Differentiated cell is present in G0 phase.
Main samjha nahi, kaise? G0 phase to cell ki aisi stage hai na jisme growth nahi Hoti
three check points
G1-S
G2-M
Meataphase- Anaphase
check points
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3 checkpoints are present in one cell cycle
1- G1/S
2- G2/M
3-in M phase metaphase to anaphase
🙏🏻🙏🏻
Total there are 3 checkpoints in cell cycle
1.G1-S checkpoint (present in late G1 phase)
2.G2-M checkpoint (present in late G2 phase)
3.M checkpoint(present between metaphase and anaphase)
G0 phase is the phase in which cell differentiates
Total 3 check points.
1.G1 S phase
2.G2 M phase
3. M phase ( anaphese)
1)3 check point G1-S ,G2-M, meta- ana
2)G0
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There Are 3 check point in cell cycle.
1 1st check point into G1/S
2 2nd check point into G2/M
3rd check point into M phone. Are present in Metaphase and anaphase
2nd question .
G0 phase in cell cycle..
There are three check points in entire cell cycle
G1- S
G2-M
Metaphase checkpoint
1.)3 checkpoints:-
1st checkpoint G1-S
2nd checkpoint G2-M
3rd checkpoint M (anaphase)
2.) G0 Phase