When Auxin Accumulates on the Lower Side of the Shoot

question 45

Multiple Choice

When auxin accumulates on the lower side of the shoot of a germinating seed, it:

• A)decreases cell elongation on the lower side of the shoot.
• B)increases cell elongation on the lower side of the shoot.
• C)decreases the use of energy by the cells in the shoot.
• D)increases the use of energy by the cells in the shoot.
• E)has no effect on the shoot (it affects only the developing root).

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Definitions:

Immune Response

The reaction of the immune system against foreign substances or pathogens, including both innate and adaptive immune mechanisms.

Antigen

Any substance that the immune system can recognize and potentially trigger an immune response, often a protein on the surface of pathogens, allergens, or cancer cells.

Thalassemia

A genetic blood disorder characterized by less oxygen-carrying protein in red blood cells.

Pernicious Anemia

A form of anemia caused by the body's inability to absorb vitamin B12 from the gastrointestinal tract, leading to a reduction in red blood cell production.