The plant body of a hornwort is a haploid gametophyte stage. This stage usually grows as a thin rosette or ribbon-like thallus between one and five centimeters...
Monday, December 10, 2012
Tuesday, December 4, 2012
Marchantiophyta
Most liverworts are small, usually from 2–20 millimetres (0.08–0.8
in) wide with individual plants less than 10 centimetres (4 in) long,[5]
so...
Saturday, December 1, 2012
Impulse and Momentum
Momentum
The momentum of a body is equal to its mass
multiplied by its velocity.
Momentum is measured in N s. Note that momentum is a
vector
quantity,...
Friday, November 30, 2012
Brittle Star (Ophiuroidea)
Brittle stars or ophiuroids are echinoderms in the class Ophiuroidea closely related to starfish.
They crawl across the seafloor using their flexible...
Thursday, November 29, 2012
Sickle Cell Anemia
Sickle-cell disease (SCD), or sickle-cell anaemia (or anemia, SCA) or drepanocytosis, is an autosomal recessive genetic blood disorder with overdominance,...
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