Which Statement Is True About Prokaryotes? R: 0214_2014_QC_44908

question 27

Multiple Choice

Which statement is true about prokaryotes? r: 0214_2014_QC_44908

• A) They contain a nucleus.
• B) They lack ribosomes.
• C) They usually lack a cell wall.
• D) They do not divide by mitosis.
• E) They contain a long linear strand of DNA as the genetic material.

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Definitions:

Bilayer

Often refers to the lipid bilayer, a thin polar membrane made of two layers of lipid molecules, forming the basic structure of cell membranes.

Permeable Barrier

A structure or material that allows the passage of particles, such as liquids or gases, through itself while blocking others, based on size, shape, or other properties.

Plasma Membrane

A bi-layer of lipids and proteins surrounding a cell, regulating the passage of substances in and out of the cell.

Proteins

Large molecules composed of amino acids that perform a vast array of functions within living organisms, including structural support, enzyme catalysis, and immune response.