tb:e-books:istanbul-hive
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- 10.1038_s41586-018-0616-y.pdf
- 2018/11/09 08:50
- 5.1 MB
- ast.2017.1751.pdf
- 2018/10/17 15:03
- 157.4 KB
- dm_bacterie_hormonen_zenne_aanpak.pdf
- 2018/10/17 12:58
- 70.2 KB
- endocrine_activity_in_zenne.pdf
- 2018/10/17 12:58
- 1.2 MB
- frankenbee_the_guardian.pdf
- 2018/10/17 12:57
- 1.8 MB
- igem2018.png
- 645×735
- 2018/10/26 20:10
- 155.8 KB
- img_4145.jpg
- 1224×1632
- 2018/11/02 14:17
- 904.9 KB
- korstmossen_introductie.pdf
- 2018/10/08 19:14
- 12.8 MB
- rapportdefbim.pdf
- 2018/10/08 19:14
- 8.4 MB
File
- Title:
- Hollyhock pollen
- Date:
- 2023/09/13 09:01
- Filename:
- 800wm.jpg
- Caption:
- Pollen. Coloured scanning electron micrograph (SEM) of a pollen grain of the garden hollyhock, Althaea rosa. Its outer wall (exine) has a spiky structure. When the pollen grain, containing the male gametes, lands on the stigma of a flower of the same species, it germinates. A pollen tube grows from the pollen grain & down to the flower's ovaries. The ovules are then fertilised & a seed is formed. Magnification: x200 at 6x6cm size.
- Photographer:
- Science Photo Library
- Copyright:
- DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY
- Format:
- JPEG
- Size:
- 155KB
- Width:
- 800
- Height:
- 797
- Keywords:
- hollyhock, pollen, althaea, rosa, garden, hollyhock, pollen, of, botany, plant, sem, coloured, scanning, electron, micrograph, grain, allergen, allergy, cause, sneezing, causing, sneeze, nature, plants, reproduction, reproductive, pollen
- References for:
- pollinations
tb/e-books/istanbul-hive.txt · Last modified: 2016/01/13 17:48 by 127.0.0.1