Quiz on Cell Biology

What is the structure that forms the boundary of a cell?

• Protein globular

• Lipid bilayer

• Nucleus

• Cytoplasm

According to Singer & Nicholson, the plasma membrane is composed of a lipid bilayer that is in a ______ state.

• Solid

• Rigid

• Fluid

• Stable

Which model describes the distribution of proteins in the plasma membrane as a mosaic pattern?

• Gortel & Grendel model

• Davson & Danielli model

• Singer & Nicholson model

• Fluid mosaic model

What is the smallest unit of life?

• Tissue

• Organ

• Cell

• Organism

Which type of cell does not have a true nucleus?

• Prokaryotic cell

• Eukaryotic cell

• Animal cell

• Plant cell

Which group of organisms includes almost all types of bacteria?

• Eubacteria

• Archaea

• Prokaryotes

• Eukaryotes

Which group of organisms can thrive in extreme environments such as acidic hot springs or highly saline water?

• Eubacteria

• Archaea

• Prokaryotes

• Eukaryotes

What is the genetic material found in prokaryotic cells?

• Linear chromosomes

• Circular chromosomes

• Histones

• DNA and protein complex

Which organelle is responsible for organizing and storing the genetic material in eukaryotic cells?

• Mitochondria

• Chloroplast

• Nucleus

• Endoplasmic reticulum

What is the structure formed by condensed and observable chromatin during cell division?

• Nucleus

• Nuclear envelope

• Kromosom

• Histone