MEDIUM
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Most powerful digestive enzyme occurs in which cell organelle
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Important Questions on The Basic Unit of Life
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Solution A: Pure water,
Solution B: saturated salt solution,
Solution C: Hydrochloric acid
The sequence of treatments and the ensuring probable effect on the egg are listed below:
I. A - B - C -Remains unchanged
II. B - C - A - Swells
III. C - A - B - Shrinks
IV. B - A - C - Loses salts
Based on the above sequence to treatment which one of the options will be correct?
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Glucose is the prime source of energy in our body. However it is stored in the form of glycogen in the muscle and liver of animals and in the form of starch in plants. As a result, every time a cell requires glucose, it must hydrolyze glycogen which is an energy-consuming process. Why does the cell store glycogen instead of glucose in free form?
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A. Plasma membrane is a semipermeable membrane
B. Water moves across the pm by osmosis.
C. O2 and CO2 can cross the pm by diffusion.
D. Na+ and K+ ions can pass the pm by diffusion.
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cells. Which of the following statement are true for vacuoles?
A. Contain cell sap.
B. Provide turgidity to the plant cell.
C. Plant cell vacuoles are smaller than animals cell vacuoles.
D. Vacuoles store amino acids, sugar, acids and contain protein.
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