University of Hawaii at Manoa. w/Celia Smith aka Madame
Algae Questions With Complete Solutions
a cytoplasmic extension of the egg similar to a pollen tube
Correct Answer trichogyne
are the gemetophytes of porphyra male or female? Correct
Answer both male and female
are the members of Halymeniales uni or multi axial? Correct
Answer multiaxial
Calithamnion: uni or multi Correct Answer uni
cell wall of male gametes Correct Answer does not exist;
naked
connections between cells having a common parent cell
Correct Answer primary pit connections
describe the cells of red algae Correct Answer large
chloroplasts, starch in cytoplasm, one or more mitochondira
Descrive the cell walls common in rhodophyta Correct Answer
Well walls composed of rigid cellulose fibers (glucose polymer)
and gels of polysaccharides for flexibility.
diploid multicellular phase in the life history of rhodophyta
resulting from zygote development and terminated by
, carpospores. surrounded by female gametophyte tissues
Correct Answer carposporophyte (2N)
Discuss growth of the Phylum Rhodophyta Correct Answer
Every cell can divide. (meristematic regions, intercalary, apical
etc)
does ceramium have pericentral or periaxial cells Correct
Answer periax
does laurencia have a psuedo or true parenchyma? Correct
Answer pseudo
female gamete (egg) may be supported on a specialized branch
Correct Answer carpogonium
filamentous tissue having the appearance of parenchyma (with
PPP for red algae) actually a close aggregation of uniseriate
filaments usually into a medulla of inflated cells. Correct
Answer pseudoparenchyma
For the order Gelidiales, uni or multi ax? Life history?
tetraspores? Correct Answer uni; isomorph alt of gen; cruciate
formed from the zygote; spore produced in the
carposporangium; produces a diploid tetrasporophyte upon
release and growth Correct Answer carpospores (2N)
Gelidium has how many locules? Correct Answer two locules