Which of These Has the Greatest Mass

question 21

Multiple Choice

Which of these has the greatest mass?

• A)proton
• B)electron
• C)both of these
• D)neither of these

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Definitions:

Sieve Tubes

Specialized cells in the phloem of vascular plants that facilitate the transport of sugars and other nutrients.

Translocation

The process of moving something from one place to another, in genetics, refers to a chromosome abnormality caused by rearrangement of parts between nonhomologous chromosomes.

Stomata

Pores on plant leaves and stems that allow gas exchange between the plant and the atmosphere.

Osmotic Pressure

The pressure that must be applied to a solution to prevent the inward flow of water across a semipermeable membrane, related to the concentration of solutes.