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Pollen Grain

A structure produced by plants containing the male [[haploid [[gamete to be used in reproduction. The gamete is covered by protective layers which perform their role until the pollen grain is capable of fertilising when reaching the female [[stigma.


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How many pollengrains enter the ovary?

As I understand it, a single pollen grain can contain multiple gametes with which many eggs can be pollinated. Most ovaries have more than one ...

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by danactsalot
Wed Dec 12, 2012 2:12 am
 
Forum: Botany Discussion
Topic: How many pollengrains enter the ovary?
Replies: 1
Views: 2500

Re:

2. I agreed with you, so why are you so asking? 3. Each pollen grain contains vegetative (non-reproductive) cells (only a single cell in most flowering plants ...

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by jjkwest1
Fri Feb 10, 2012 10:56 am
 
Forum: Botany Discussion
Topic: some bio multiple choice questions
Replies: 4
Views: 4733

some bio multiple choice questions

2. I agreed with you, so why are you so asking? 3. Each pollen grain contains vegetative (non-reproductive) cells (only a single cell in most flowering plants ...

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by JackBean
Fri Feb 10, 2012 10:11 am
 
Forum: Botany Discussion
Topic: some bio multiple choice questions
Replies: 4
Views: 4733

Re: some bio multiple choice questions

... so only GA signal is not sufficient 2. seems OK to me 3. Each pollen grain contains vegetative (non-reproductive) cells (only a single cell in most flowering plants ...

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by jjkwest1
Fri Feb 10, 2012 9:25 am
 
Forum: Botany Discussion
Topic: some bio multiple choice questions
Replies: 4
Views: 4733

Re: some bio multiple choice questions

... so only GA signal is not sufficient 2. seems OK to me 3. Each pollen grain contains vegetative (non-reproductive) cells (only a single cell in most flowering plants ...

See entire post
by JackBean
Fri Feb 10, 2012 8:54 am
 
Forum: Botany Discussion
Topic: some bio multiple choice questions
Replies: 4
Views: 4733
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