fun algal facts
Jul. 31st, 2006 11:09 pmAs mentioned earlier, the existence of a raphe is essential for translocation. It consists of a slit in the rigid silicate frustule; however, it is not a simple cleft but has a complicated structure.
n.b. I was wrong about remembering the propulsion by jet action of slime. That was a discreted hypothesis.
Calculations indicate that the amount of slime necessary to power the trichome by jet propulsion and subsequent swelling exceeds the total contents of the cells within a short time (Holton and Freeman, 1965).
no subject
Date: 2006-08-01 07:40 pm (UTC)no subject
Date: 2006-08-02 05:22 am (UTC)