Amoebic dysentery is caused by
(a) Ulva.
(b) Volvox.
(c) a desmid.
(d) Entamoeba.
(d) Entamoeba.
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The role of the antenna complex in a photosystem is to
A. transfer excited electrons to the primary electron acceptor. B. generate glucose. C. generate NADPH. D. capture photons from sunlight.
The blood of the mother and the fetus mix in the placenta.
Answer the following statement true (T) or false (F)
Anaphase of mitosis occurs when:
a) the chromatids begin to separate from the metaphase plate. b) the chromosomes line up on the 'equator'of the cell. c) the cell enters interphase. d) the chromatin coils into thicker, visible chromatids. e) the nuclear envelope first breaks down.
Pasteurization is a more rigorous process than canning
Indicate whether the statement is true or false