When We Say That the Cell Is the Fundamental Unit

question 100

Multiple Choice

When we say that the cell is the fundamental unit of life, we mean that:

• A)all living things are made up of one or more cells.
• B)the smallest entity that can be considered living is a cell.
• C)a single cell can carry out all life processes.
• D)life doesn't exist in the absence of cells.
• E)All of the answer options are correct.

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Definitions:

Peripheral Protein

Proteins that are attached to the surfaces of cellular membranes, playing roles in signal transduction and cellular communication.

Membrane Channel Protein

Integral membrane proteins forming pores through cellular membranes, allowing selective transport of ions and molecules across membranes, crucial for various physiological processes.

Phospholipid Bilayer

The fundamental structure of cell membranes, composed of two layers of phospholipid molecules.

Integral Protein

Proteins that are permanently embedded within the plasma membrane, facilitating various cellular processes.