Question

29.Differentiate between (i)glatation and respiration. (ii)syngamy and triple fusion (iii)red alga and brown alga learncbse

Answer 1

1. Efficiency. Cells in your body can always perform glycolysis, but to carry out cellular respiration they need oxygen. Oxidation of glucose through glycolysis is incomplete; most of the energy in the original glucose molecule remains untapped in the pyruvate released at the end of the process.
2. Syngamy and triple fusion are two events of sexual reproduction of plants. Syngamy is the fusion of male and female gametes to produce a zygote. In triple fusion, a third sperm nucleus fuses with the central cell in the embryo sac, producing the endosperm.
3. Red algae has phycoerythrin pigment whereas brown algae has phycoxanthene. Red algae are grouped under the class Rhodophyceae. ... They contain the photosynthetic pigments chlorophylls a and c, and fucoxanthin.

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