In 2009,which of the Following Did Scientists Discover Was Possible

question 93

Multiple Choice

In 2009,which of the following did scientists discover was possible on early Earth?

• A)abiotic synthesis of RNA monomers
• B)bacterial cell walls made mainly of chitin
• C)gram-positive bacteria with outer membranes that contain lipopolysaccharides
• D)gram-negative bacteria with cell walls composed of a thick layer of peptidoglycan

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Definitions:

Reporting Results

The process of presenting data and findings from research or an investigation to interested audiences.

Operational Definition

A clear, precise description of a variable or condition in terms of the specific process or set of validation tests used to determine its presence and quantity.

Tiredness

The state of feeling a need to rest or sleep due to lack of energy or exhaustion.

Dependent Variable

The variable in a study that represents the result of the events and processes.