Shoot Branching Is Controlled Mainly by the Interaction of

question 61

Multiple Choice

Shoot branching is controlled mainly by the interaction of

• A) auxins and gibberellins.
• B) auxins and cytokinins.
• C) gibberellins and cytokinins.
• D) cytokinins and abscisic acid.

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Definitions:

Treatment Variable

A variable manipulated by researchers in an experiment to determine its effect on an outcome measure; also known as the independent variable.

Testable Hypotheses

Statements that make predictions about the relationship between variables, which can be empirically tested through scientific research.

Hypothesis-Testing Approach

A method in research that involves making predictions, formulating a hypothesis, and then empirically testing it.

Nonmanipulated Independent Variable

A variable in a research study that occurs naturally without any intervention or control by the researcher.