24 Questions
What is a key characteristic of eukaryotic cells?
Possession of a membrane-bound nucleus
What is the function of the nucleolus in eukaryotic cells?
Facilitates ribosome biogenesis
What is the approximate general size range of eukaryotic cells?
5-100 micrometers
What is the composition of eukaryotic chromosomes?
Complex of DNA and proteins
What is the role of heterochromatin in eukaryotic cells?
Not expressed
How are eukaryotic chromosomes organized within the nucleus?
They must be condensed to fit within the nucleus
What is the function of the nuclear envelope in eukaryotic cells?
Composed of 2 phospholipid bilayers
What is the role of the cytoskeleton in eukaryotic cells?
Support and maintenance of cellular structure
What is the function of the endomembrane system in eukaryotic cells?
Compartmentalizes many cellular functions within organelles
What is the primary function of the plasma membrane in eukaryotic cells?
Regulates the passage of substances into and out of the cell
What is the primary role of the DNA in eukaryotic cells?
Stores genetic material and codes for proteins
What is the function of rough endoplasmic reticulum (RER)?
Synthesis of proteins to be secreted
What is the approximate length of DNA in a eukaryotic cell when stretched out?
About 2 meters long
What is the composition of the extracellular matrix (ECM)?
Glycoproteins and fibrous proteins such as collagen
What is the function of lysosomes?
Break down macromolecules with digestive enzymes
What is the role of condensin in cellular organization?
Aids the scaffold of proteins in holding radial loops in place
What is the role of mitochondria in eukaryotic cells?
Contain oxidative metabolism enzymes for transferring energy to ATP
What is the structure that surrounds animal cells and is composed of glycoproteins and fibrous proteins?
Extracellular matrix (ECM)
What is the function of smooth endoplasmic reticulum (SER)?
Synthesis of membrane lipids
What is the role of nucleosomes in DNA organization?
DNA wrapped around a core of 8 histone proteins
What is the function of the Golgi apparatus?
Packaging and distribution of materials to different parts of the cell
What is the role of the cytoskeleton in eukaryotic cells?
Supports the shape of the cell and keeps organelles in fixed locations
What is the structure that contains oxidative enzymes and catalase, and is not part of the endomembrane system?
Peroxisomes
What is the network of protein fibers found in all eukaryotic cells that supports the shape of the cell and helps move materials within the cell?
Cytoskeleton
Test your knowledge of cell structure and eukaryotic cells in this quiz by Dr. Starling Emerald from the Department of Anatomy. Explore the features of eukaryotic cells, such as the membrane-bound nucleus, complex cytoplasm, organelles, endomembrane system, cytoskeleton, and plasma membrane. This quiz will cover topics related to heredity, nucleus, and genetic material storage.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
