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Celluar components originating from endosymbionts organisms living

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Joined: 31 Aug 2016
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Location: India
Concentration: Finance, General Management
GMAT 1: 680 Q49 V33
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Celluar components originating from endosymbionts organisms living  [#permalink]

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New post 06 Oct 2018, 08:35
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  95% (hard)

Question Stats:

26% (02:59) correct 74% (02:25) wrong based on 50 sessions

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Celluar components originating from endosymbionts organisms living within organisms, are the result of the endosymbiont becoming dependent on its host. Organelles, components of cells with specialized functions, originated from bacterial endosymbionts if they have their own separate DNA.
If mitochondria, components of most eukaryotic cells, originated from bacterial endosymbionts, then it can be inferred that

A. Mitochondria have their own separate DNA.
B. Mitochondria are a kind of organelle.
C. Some bacterial endosmbionts became dependet on their cellular hosts.
D. Mitochondria are the only organelles with their won separate DNA.
E. DNA is the result of endosmbionts becoming dependent on their hosts.

Source : 800

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Re: Celluar components originating from endosymbionts organisms living  [#permalink]

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New post 06 Oct 2018, 08:57
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PeepalTree wrote:
Celluar components originating from endosymbionts organisms living within organisms, are the result of the endosymbiont becoming dependent on its host. Organelles, components of cells with specialized functions, originated from bacterial endosymbionts if they have their own separate DNA.
If mitochondria, components of most eukaryotic cells, originated from bacterial endosymbionts, then it can be inferred that

A. Mitochondria have their own separate DNA.
B. Mitochondria are a kind of organelle.
C. Some bacterial endosmbionts became dependet on their cellular hosts.
D. Mitochondria are the only organelles with their won separate DNA.
E. DNA is the result of endosmbionts becoming dependent on their hosts.

Source : 800


Main points
1. CC originating from Endo are result of Endo becoming dependent on its host..
2. If organelles have separate DNA , they have originated from B Endo.
3. If M originated from B Endo..??

Let us see the choices..

A. Mitochondria have their own separate DNA.
point 2 :- If A then B. And this choice is If B then A

B. Mitochondria are a kind of organelle.
There is no connection between M and organelle

C. Some bacterial endosmbionts became dependent on their cellular hosts.
M originated from B Endo and point 1 says they are result of Endo becoming dependent on their host. So this must be true. CORRECT

D. Mitochondria are the only organelles with their won separate DNA.
Nothing says so in the para

E. DNA is the result of endosmbionts becoming dependent on their hosts.
DNA are nowhere shown to be connected to Endo becoming dependent on their hosts

C
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1) Absolute modulus : http://gmatclub.com/forum/absolute-modulus-a-better-understanding-210849.html#p1622372
2)Combination of similar and dissimilar things : http://gmatclub.com/forum/topic215915.html
3) effects of arithmetic operations : https://gmatclub.com/forum/effects-of-arithmetic-operations-on-fractions-269413.html


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Re: Celluar components originating from endosymbionts organisms living &nbs [#permalink] 06 Oct 2018, 08:57
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