In Volvox, a colonial Chlorophyceae, cytoplasmic connections between cells play a crucial role in coordinating movement and other functions. What is the specific term for these connections, and what is their primary structural composition?
Plasmodesmata; cytoplasmic strands
Desmosomes; intermediate filaments
Gap junctions; connexin proteins
Tight junctions; claudin and occludin proteins
Related Questions
Identify the INCORRECT pairing of plant hormone and its physiological effect.
Auxins : Cell elongation
Cytokinins : Delay of senescence
Gibberellins : Inducing dormancy
Abscisic acid : Inducing dormancy
Volvox is an example of a ______ alga.
Colonial
Filamentous
Unicellular
Multicellular
Chloroplasts of Spirogyra have
Spiral margin
Smooth of waxy margin
Smooth margin
None of these
Calcium encrustation and larvicidal properties are present in
Chara
Oscillatoria
Diatoms
Canlerapa
Zygote of Spirogyra produces four haploid nuclei in which
One is functional
Two are functional
Three are functional
All are functional
Chlamydomonas shows
Isogamy
Anisogamy
Both (a) and (b)
Oogamy
Which type of chloroplasts are present in the members of class-Chlorophyceae?
Discoid and plate-like
Reticulate and cup-shaped
Spiral or ribbon-shaped
All of the above
Non-motile, greatly thickened, asexual spore in Chlamydomonas is
Carpospores
Akinetes
Aplanospores
Hypnospores
The members of Chlorophyceae are usually green due to the dominance of pigments
Chlorophyll-a
Chlorophyll-b
Chlorophyll-a and b
Chlorophyll-c
Iodine is obtained from
Laminaria
Chlorella
Polysiphonia
Porphyra