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Q: Are all pollen tube of equal length?
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How do the sperm nuclei in a pollen grain reach the egg nucleus in an ovule?

When they land on the style they begin to bore their way through the stigma all the way to the ovule. Through the tube made by the tube nucleus of the pollen grain: each pollen grain has two nuclei, one called generative nucleus which combines with the nuclei of the ovule, and the other called tube nucleus tube nucleus which forms a tube that penetrates the stigma till it reaches ovule then it degenerates.


How do the sperms nuclei in a pollen grain reach the egg nucleus in an ovule?

When they land on the style they begin to bore their way through the stigma all the way to the ovule. Through the tube made by the tube nucleus of the pollen grain: each pollen grain has two nuclei, one called generative nucleus which combines with the nuclei of the ovule, and the other called tube nucleus tube nucleus which forms a tube that penetrates the stigma till it reaches ovule then it degenerates.


What is the hemisphere is tilted toward the sun during the vernal equinox?

Neither. All days are equal length.


Are all 4 sides equal in length on a rhombus?

Yes, all four sides of a rhombus are of equal length.


How does the nucleus in a pollen grain get from the stigma to the ovary of a flower?

they germinate and grow a small tube all the way to the ovary


What is a triangle with all three sides are equal length?

If all three sides are equal in length, the triangle is said to be Equilateral.


Are any of a octagons sides equal in length?

They can be. A regular octagon has all sides of equal length.


Is an equilateral trianglewith all sides equal in length?

Yes the 3 sides are equal in length.


Does a isosceles triangle have all sides equal?

No, an isosceles triangle has two sides of equal length. An equilateral triangle has all three sides of equal length.


Are all meridians of equal length?

No


What shape has 6 angles and all sides same length?

A hexagon has all six sides in equal length and all angles in equal measure.


What shape has all sides have equal length and all the angles have equal measure?

square