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Gonçalo Ferreira

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About Gonçalo Ferreira

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  • Interests
    Bird watching, microscopy, botany, viewing wildlife and nature photography, pets, camping, music, ecology, biology, growning plants...
  • Favorite Area of Science
  1. The paddlefish I have are supposed to be genetic dwarfs that occur naturally from time to time. I've had mine for almost two years and it is only 10" or so long. It's hatch mates are more than 24" long by now. They are called dinks or culls in the trade...

  2. Don't they get too big?

  3. Yup, I do have a paddlefish.

  4. I scraped the upper epidermis of a petal of Saintpaulia ionantha (African Violet) with a scalpel and placed the sample in a glass slide with water, put a glass coverslip on top. I used magnifications of 60x, 150x and 600x. These are the results. If you found this topic interesting, please just click on the ( + ) sign. Thank you for recougnising my work.
  5. Osmosis envolves automatic physical reactions at a molecular level, and therefore, it does not cosume energy from the cell. If the cells are dead (not producing energy anymore) but if they are relatively fresh and if they are not dry (and 80% of a potatoe is water), I suppose osmosis continues to occur. The passage of water molecules though the cell membrane(osmosis) occurs directly due to channel proteins that cross that membrane. If a cell contains water, there is no obvious reason why it should not keep its structure. So, if the structure is intact, as long as there is not a isotonic balanc
  6. Why should not someone be allowed to keep a cannabis plant at home? Easy to grow and no risks associated with trafficking.
  7. This species of evergreen vine gets its name (Passiflora) the resemblance of itsflowers with the passion of christ (jesus crussificação), it has a cross in the center. It originated in tropical America, but adapts well to the Mediterranean climate. Studies conducted in 1867 revealed the interest of this plant to the world of science and medicine. This plant is not toxic and can be used for many purposes: to cure insomnia, to cuase body relaxation, healing alcoholic or morphine intoxiation.Thus it has the ability to give the user a kind of buzz which lasts about 15-20 minutes, and leaves
  8. Do you have a Paddlefish tank?

  9. I repeat: there are no typing errors. "uman" is not a word, but, sometimes the meaning and freedom of writing overcomes the prision that rules are. It is intentional.
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