In a DNA Molecule,the Sugar-Phosphate Backbone Is the Same in Everyone,but

question 3

Multiple Choice

In a DNA molecule,the sugar-phosphate backbone is the same in everyone,but the base sequence is different in everyone.A plasma membrane is similar conceptually to DNA in that

• A) the lipid bilayer is the same in everyone, but the nature and pattern of the molecules embedded in it differ.
• B) the pattern of embedded proteins in the plasma membrane is the same in everyone, but the lipid bilayer differs.
• C) the lipid bilayer and pattern of embedded proteins differ in everyone.
• D) the lipid bilayer is the same in everyone, but some people have the embedded proteins sticking out of the outer face of the membrane, and others have the proteins extending inward.
• E) it encodes information in a sequence of molecules.

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Definitions:

Preoperational

A stage in Jean Piaget's theory of cognitive development where children from about 2 to 7 years old engage in symbolic play but struggle with logic and understanding the perspective of others.

Conservation

The act of preserving, protecting, or restoring the natural environment, natural ecosystems, vegetation, and wildlife to prevent depletion or destruction.

Cognitive Development

The process of growth and change in intellectual/mental abilities such as thinking, reasoning, and understanding.

Centration

In developmental psychology, the tendency of children in the preoperational stage to focus on one aspect of a situation while neglecting others.