Pollen a net like appearance consisting of elements (murus, muri) separated from each other by a lumen (plural lumina). The pollen wall protects the sperm while the pollen grain is moving from the anther to the stigma; it protects the vital genetic material from drying out and solar radiation. The pollen grain surface is covered with waxes and proteins, which are held in place by structures called sculpture elements on the surface of the grain. The outer pollen wall, which prevents the pollen grain from shrinking and crushing the genetic material during desiccation, is composed of two layers. These two layers
The Grain of Wheat than the original. The image of the grain of wheat dying in the earth in order to grow and bear a harvest can be seen also as a metaphor of Jesus' own death and burial in the tomb and his resurrection. The Rev. William D. Oldland in his sermon "Unless a Grain of Wheat Falls into the Earth and Dies" said: The Apostle Paul also says: "What is sown in the earth is subject to decay, what rises is incorruptible" (1 Cor. 15:42). The Grain of Wheat Parable of the Grain of Wheat (Greek: ὁ κόκκος τοῦ σῑ́του; "ho kókkos