A mechanism for preventing sap loss entails closing sieve plate pores with callose, which is

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#Question id: 5745

#8. Inheritance Biology

Consider a species with a diploid (2n) number of 16 chromosomes. How many chromosomes would be found in a trisomic body cell?

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#Question id: 12391

#6. System Physiology – Plant

Which of the following processed are involve in cell enlargement in plant?

a) Osmotic uptake of water across the plasma membrane is driven by the gradient in water potential (∆Yw)

b) Turgor pressure builds up because of the rigidity of the cell wall

c) Biochemical wall loosening occurs, allowing the cell to expand in response to turgor pressure

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#Question id: 23370

#Aptitude

Which one of the following can be termed as verbal communication?

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#Question id: 16111

#7. System Physiology – Animal

When environmental temperature is less than body temperature, mechanisms are activated that:

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#Question id: 4930

#11. Evolution and Behavior

Which of the following is the correct sequence of events in the origin of life?

I. Formation of protocells

II. Synthesis of organic monomers

III. Synthesis of organic polymers

IV. Formation of DNA-based genetic systems