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  2. Elodea - Wikipedia

    en.wikipedia.org/wiki/Elodea

    Elodea is a genus of eight species of aquatic plants often called the waterweeds described as a genus in 1803. Classified in the frog's-bit family ( Hydrocharitaceae ), Elodea is native to the Americas [ 1 ] and is also widely used as aquarium vegetation and laboratory demonstrations of cellular activities.

  3. Ocular micrometer - Wikipedia

    en.wikipedia.org/wiki/Ocular_micrometer

    Ocular micrometer Micrometer Eyepiece. An ocular micrometer or eyepiece micrometer is a glass disk, engraved with a ruled scale, that fits in an eyepiece of a microscope, [1] [2] which is used to measure the size of microscopic objects through magnification under a microscope.

  4. Elodea canadensis - Wikipedia

    en.wikipedia.org/wiki/Elodea_canadensis

    Elodea canadensis (American waterweed or Canadian waterweed or pondweed) is a perennial aquatic plant, or submergent macrophyte, native to most of North America. [ 3 ] [ 4 ] [ 5 ] It has been introduced widely to regions outside its native range and was first recorded from the British Isles in about 1836.

  5. Elodea densa - Wikipedia

    en.wikipedia.org/wiki/Elodea_densa

    Elodea densa flower. Elodea densa is an aquatic plant growing in water up to 4 m (13 ft) deep, with trailing stems to 2 m (6.6 ft) or more long, producing roots at intervals along the stem. The leaves are produced in whorls of four to eight, 1–4 cm (0.39–1.57 in) long and 2–5 mm (0.079–0.197 in) broad, with a pointed leaf tip.

  6. List of organisms by chromosome count - Wikipedia

    en.wikipedia.org/wiki/List_of_organisms_by...

    Ten sex chromosomes. Males have X 1 Y 1 X 2 Y 2 X 3 Y 3 X 4 Y 4 X 5 Y 5, females have X 1 X 1 X 2 X 2 X 3 X 3 X 4 X 4 X 5 X 5. [83] [84] 139 Upland cotton (Gossypium hirsutum) 52 This is for the cultivated species G. hirsutum (allotetraploid, 2n=4x=52). This species accounts for 90% of the world cotton production.

  7. Elodea nuttallii - Wikipedia

    en.wikipedia.org/wiki/Elodea_nuttallii

    Elodea nuttallii is a species of waterweed known by the common name western waterweed or Nuttall's waterweed. [3] This is a perennial aquatic plant which is native to North America where it grows submersed in lakes, rivers, and other shallow water bodies.

  8. AOL Mail

    mail.aol.com/?rp=webmail-std/en-us/basic

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Wide-field multiphoton microscopy - Wikipedia

    en.wikipedia.org/wiki/Wide-field_multiphoton...

    The axial resolution is typically 2-3 μm [4] [5] even with structured illumination techniques. [ 10 ] [ 11 ] The spatial dispersion generated by the diffraction grating ensures that the energy in the laser is spread over a wider area in the objective lens, hence reducing the possibility of damaging the lens itself.

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