Cell biology UE Past Papers Questions.

Describe the structure and functions of a centriole.

Answer / Solution

UNSOLVED

In table form , point out three differences for each of the following

1. Euchromatin and heterochromatin
2. Lysosome and peroxisome
3. Apoptosis and necrosis

Answer / Solution

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In pre-biotic time , the surface of the earth

1. Was molten 
2. Had violent volcanic eruptions
3. Had lightening
4. Had little rains

Answer / Solution

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Importance of photosynthesis in cell evolution include;

1. Release of bound oxygen at day time
2. Release of carbondioxide at night
3. Harness oxygen to synthesize food
4. Evolution of oxidative phospholyration

Answer / Solution

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Ribosomes are

1. Basophilic
2. Small cytoplasmic granules
3. Synthesize protein for extracellular use
4. mRNA runs over the two subunits during protein synthesis

Answer / Solution

UNSOLVED