You Isolate a Cell with the Following Characteristics: (1)no Nucleus,(2)only

question 47

Multiple Choice

You isolate a cell with the following characteristics: (1) no nucleus,(2) only a single type of organelle,and (3) 2 μm in size.This cell could be a/an:

• A)bacterium.
• B)plant cell.
• C)animal cell.
• D)bacterial cell or a plant cell.
• E)plant cell or an animal cell.

---

Definitions:

Preoperational Stage

According to Piaget, the stage of thinking between infancy and middle childhood, in which children are unable to decenter their thinking or to think through the consequences of an action.

Decenter

The cognitive ability to consider multiple aspects of a situation simultaneously, characteristic of more advanced stages of cognitive development.

Sensorimotor Stage

Piaget’s term for the stage of infancy during which the process of adaptation consists largely of coordinating sensory perceptions and simple motor behaviors to acquire knowledge of the world.

Centration

The tendency, particularly seen in early childhood, to focus on one aspect of a situation while neglecting other important features.