Murl

10+ Year Member
7+ Year Member
Jan 16, 2008
212
1
Status
Dental Student
Could someone educate me on what these mean? Which is the longest, which is the shortest, what happens in each?
 

alanan84

D1
10+ Year Member
5+ Year Member
Mar 17, 2008
1,387
5
Status
Dental Student
S - DNA replication
G2 - cell prepares to divide
G1 - Synthesis of mitochondria, ribosomes, and some proteins

Order is S, G2, P, M, A, T, G1
 
May 15, 2009
1,922
3
CA
Status
Dental Student
OP
M

Murl

10+ Year Member
7+ Year Member
Jan 16, 2008
212
1
Status
Dental Student
Thanks thats cool. So is G1 the longest phase of interphase?
 
May 15, 2009
1,922
3
CA
Status
Dental Student
Thanks thats cool. So is G1 the longest phase of interphase?
Yes, the longest phase is the interphase. Just think of all that happens in this phase:
-Spindle apparatus forms.
-Nuclear envelop disappears.
-Chromosomes start moving around.
-Inmeiosis (Homologous pairs form tetrads)
 

Sugafoot79

10+ Year Member
Feb 3, 2009
72
0
Status
Pre-Dental
G1 is the longest phase in interphase (whoa! say that 3X's fast), then S and G2.

increasing order for Interphase:

G2<S<G1

For mitosis...I think the longest is anaphase. can anyone verify this or put the phases of mitosis in increasing order?
 
Jun 14, 2009
800
3
Status
Pre-Dental
G1 is the longest phase in interphase (whoa! say that 3X's fast), then S and G2.

increasing order for Interphase:

G2<S<G1

For mitosis...I think the longest is anaphase. can anyone verify this or put the phases of mitosis in increasing order?
Prophase is longest, anaphase is shortest. That's kind of an esoteric bit of trivia though. Just remember that all of mitosis is shortest, G1 longest
 
May 22, 2009
341
0
Status
Dental Student
Yes, the longest phase is the interphase. Just think of all that happens in this phase:
-Spindle apparatus forms.
-Nuclear envelop disappears.
-Chromosomes start moving around.
-Inmeiosis (Homologous pairs form tetrads)
Hmm are you saying it's G1 or M phase the longest?
I think you meant to say G1 if you're agreeing with the first post. But what you're describing is actually the M phase (mitosis or meosis according to your last item)

I agree with UCB05. Mitosis is shortest and in mitosis, Anaphase is fastest (about 5-10 minutes). Although I'm not positive that prophase is the longest.
 

joonkimdds

Senior Member
10+ Year Member
7+ Year Member
Jun 30, 2005
2,780
2
Status
Pre-Dental
S - DNA replication
G2 - cell prepares to divide
G1 - Synthesis of mitochondria, ribosomes, and some proteins

Order is S, G2, P, M, A, T, G1
what are P, A, and T?

and I thought M is the shortest among G1, S, G2, M. I remember reading that M is only 10% of the cycle.
 

Tommy43087

10+ Year Member
7+ Year Member
Feb 18, 2009
673
1
Cali
Status
Dentist
what are P, A, and T?

and I thought M is the shortest among G1, S, G2, M. I remember reading that M is only 10% of the cycle.
Prophase, Metaphase, Anaphase Telophase. lol. yea M is the shortest its mitosis phase, and G1 is longest because it is preparing everything, mitochondria, etc, etc.
 
May 22, 2009
341
0
Status
Dental Student
what are P, A, and T?

and I thought M is the shortest among G1, S, G2, M. I remember reading that M is only 10% of the cycle.
Prophase, Metaphase, Anaphase, Telophase

I think that post was giving the chronological order, not which one is longer. Yes Mitosis is shortest.
 

joonkimdds

Senior Member
10+ Year Member
7+ Year Member
Jun 30, 2005
2,780
2
Status
Pre-Dental
Prophase, Metaphase, Anaphase Telophase. lol. yea M is the shortest its mitosis phase, and G1 is longest because it is preparing everything, mitochondria, etc, etc.
He said Order is S, G2, P, M, A, T, G1.

so does that mean he is wrong because PMAT = M = should be shorter than S and G2?

and I think A is the shortest from PMAT.
 

Tommy43087

10+ Year Member
7+ Year Member
Feb 18, 2009
673
1
Cali
Status
Dentist
He said Order is S, G2, P, M, A, T, G1.

so does that mean he is wrong because PMAT = M = should be shorter than S and G2?

and I think A is the shortest from PMAT.
Yea anaphase is def the shortest and out of mitosis i believe prophase is the longest but out of M phase, G1, G2 and S phase, G1 is the longest and M(mitosis) is the shortest
 
May 22, 2009
341
0
Status
Dental Student
He said Order is S, G2, P, M, A, T, G1.

so does that mean he is wrong because PMAT = M = should be shorter than S and G2?

and I think A is the shortest from PMAT.
Anaphase is the shortest phase in Mitosis

M-phase (mitosis) is the shortest phase out of the 4 cell cycle phases (M, G1, S, G2)
 

alanan84

D1
10+ Year Member
5+ Year Member
Mar 17, 2008
1,387
5
Status
Dental Student
He said Order is S, G2, P, M, A, T, G1.

so does that mean he is wrong because PMAT = M = should be shorter than S and G2?

and I think A is the shortest from PMAT.
Not sure what you're talking about here. I didn't mention anything about the length of each phase in my post.

I agee that out of S, G2, M, and G1; G1 is the longest and M is the shortest.

Out of P, M, A, T; A is shortest.`
 

joonkimdds

Senior Member
10+ Year Member
7+ Year Member
Jun 30, 2005
2,780
2
Status
Pre-Dental
Not sure what you're talking about here. I didn't mention anything about the length of each phase in my post.

I agee that out of S, G2, M, and G1; G1 is the longest and M is the shortest.

Out of P, M, A, T; A is shortest.`
Oh sorry, I thought u put the increasing order instead of chronological order.