Measurements show that the pH of a particular lake is 4.0. What is the hydroxide ion concentration of the lake?

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#Question id: 2934

#Unit 2. Cellular Organization

Cyclin D/Cdk4 functions during:

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#Question id: 8783

#Unit 9. Diversity of Life Forms

Which of the following statements is accurate, at least according to our present knowledge?

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#Question id: 3529

#Unit 8. Inheritance Biology

Mendel crossed tall and round seeded pea plants with dwarf and wrinkle seeded pea. The F1 plants were all tall and round seed. What is the probability of tall plant with wrinkle seed in F2 generation?

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#Question id: 23314

#General Aptitude

Spare the rod and spoil the child. It is a famous saying. Its contribution in modern class-room serves our purpose in a

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#Question id: 10365

#Unit 6. System Physiology – Plant

Why the nitrogenase enzymes catalyzes the nitrogen fixation reaction only in microanaerobic or anaerobic conditions?