Phloem Sap Can Flow ________

question 26

Multiple Choice

Phloem sap can flow ________.

• A) from leaves to shoots only
• B) from shoots to leaves only
• C) from sites of sugar production to storage units only
• D) both ways between production and storage sites

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Definitions:

Radioisotope

A radioactive isotope of an element, used in various fields such as medicine for diagnostics and treatment, in research, and in industry.

Nuclei

The central and most important part of an atom, containing protons and neutrons.

Decay

The process of decomposition of organic matter by microorganisms, leading to the release of nutrients back into the environment.

Radiation

The emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.