Reproduction in Single-Celled Organisms Quiz

What is the function of mesosomes in a cell?

Cell growth

Respiration (correct)

Protein production

Genetic variation

Which organelle is the site of protein production in a cell?

Mesosomes

Mitochondria

Ribosomes (correct)

Nucleus

Why are all cells produced by mitosis genetically identical?

Due to cytokinesis

Due to genetic recombination

Due to replication of chromosomes (correct)

Due to meiosis

What is the primary function of mitosis in cell division?

Producing identical daughter cells Signup and view all the answers

During which stage of the cell cycle do the chromosomes begin to condense?

Interphase Signup and view all the answers

What is the main advantage of organisms using mitosis for growth?

Growth using identical cells Signup and view all the answers

What is the process of cell division in prokaryotic cells known as?

Binary Fission Signup and view all the answers

During binary fission, what forms between the two DNA molecules to divide the original cell?

New cell wall Signup and view all the answers

Which component of the cell/organelle membrane controls the movement of substances in and out?

Phospholipids Signup and view all the answers

Why do viruses not undergo cell division?

They are non-living entities Signup and view all the answers

What gives the cell membrane its fluid mosaic model structure?

Phospholipids and proteins arrangement Signup and view all the answers

In prokaryotic cells, what replicates alongside circular DNA during binary fission?

Plasmids Signup and view all the answers

What type of immune response involves T cells and is responsible for destroying pathogen-infected cells?

Cell-mediated response Signup and view all the answers

Which cells replicate themselves when exposed to an invading pathogen, leading to a faster immune response upon reinfection?

Memory cells Signup and view all the answers

What is the main function of T killer cells in the immune response?

Destroy pathogen-infected cells Signup and view all the answers

Which cells produce antibodies in the humoral response?

Plasma cells Signup and view all the answers

What is the Y-shaped structure formed by antibodies made of?

Four polypeptide chains Signup and view all the answers

Which type of immunity results from the introduction of antibodies from another person or animal?

Passive immunity Signup and view all the answers

What is the main function of cholesterol in the cell membrane?

Make the membrane more rigid and reduce lateral movement of phospholipids Signup and view all the answers

What is the purpose of maintaining a vacuum environment in an electron microscope?

To prevent particles in the air from deflecting electrons out of beam alignment Signup and view all the answers

Which component of the cell membrane allows cells to adhere to one another and form tissues?

Glycolipids Signup and view all the answers

What do intrinsic proteins in the cell membrane primarily function as?

Allow substances to cross the membrane Signup and view all the answers

In a Transmission Electron Microscope (TEM), how are areas that absorb electrons represented in the images?

They appear darker on the electron micrograph Signup and view all the answers

What is a key limitation of Scanning Electron Microscopes (SEM) and Transmission Electron Microscopes (TEM)?

Living specimens cannot be observed due to the vacuum requirement Signup and view all the answers

Which type of molecule can easily pass through the cell membrane based on its structure?

Lipid-soluble molecules Signup and view all the answers

What is the main purpose of cell fractionation?

To separate different parts and organelles of a cell for detailed study Signup and view all the answers

Which component of the cell membrane acts as a cell surface receptor and neurotransmitter?

Glycoproteins Signup and view all the answers

Which method is commonly used for cell fractionation?

Differential centrifugation Signup and view all the answers

What is the role of glycolipids in the cell membrane?

Extend from the surface and act as cell surface receptors Signup and view all the answers

What is the resultant fluid called after cells are blended in an homogeniser during cell fractionation?

Homogenate Signup and view all the answers

Reproduction in Single-Celled Organisms Quiz

Questions and Answers

What is the function of mesosomes in a cell?

Which organelle is the site of protein production in a cell?

Why are all cells produced by mitosis genetically identical?

What is the primary function of mitosis in cell division?

During which stage of the cell cycle do the chromosomes begin to condense?

What is the main advantage of organisms using mitosis for growth?

What is the process of cell division in prokaryotic cells known as?

During binary fission, what forms between the two DNA molecules to divide the original cell?

Which component of the cell/organelle membrane controls the movement of substances in and out?

Why do viruses not undergo cell division?

What gives the cell membrane its fluid mosaic model structure?

In prokaryotic cells, what replicates alongside circular DNA during binary fission?

What type of immune response involves T cells and is responsible for destroying pathogen-infected cells?

Which cells replicate themselves when exposed to an invading pathogen, leading to a faster immune response upon reinfection?

What is the main function of T killer cells in the immune response?

Which cells produce antibodies in the humoral response?

What is the Y-shaped structure formed by antibodies made of?

Which type of immunity results from the introduction of antibodies from another person or animal?

What is the main function of cholesterol in the cell membrane?

What is the purpose of maintaining a vacuum environment in an electron microscope?

Which component of the cell membrane allows cells to adhere to one another and form tissues?

What do intrinsic proteins in the cell membrane primarily function as?

In a Transmission Electron Microscope (TEM), how are areas that absorb electrons represented in the images?

What is a key limitation of Scanning Electron Microscopes (SEM) and Transmission Electron Microscopes (TEM)?

Which type of molecule can easily pass through the cell membrane based on its structure?

What is the main purpose of cell fractionation?

Which component of the cell membrane acts as a cell surface receptor and neurotransmitter?

Which method is commonly used for cell fractionation?

What is the role of glycolipids in the cell membrane?

What is the resultant fluid called after cells are blended in an homogeniser during cell fractionation?

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Reproduction in Single-Celled Organisms Quiz

Questions and Answers

What is the function of mesosomes in a cell?

Which organelle is the site of protein production in a cell?

Why are all cells produced by mitosis genetically identical?

What is the primary function of mitosis in cell division?

During which stage of the cell cycle do the chromosomes begin to condense?

What is the main advantage of organisms using mitosis for growth?

What is the process of cell division in prokaryotic cells known as?

During binary fission, what forms between the two DNA molecules to divide the original cell?

Which component of the cell/organelle membrane controls the movement of substances in and out?

Why do viruses not undergo cell division?

What gives the cell membrane its fluid mosaic model structure?

In prokaryotic cells, what replicates alongside circular DNA during binary fission?

What type of immune response involves T cells and is responsible for destroying pathogen-infected cells?

Which cells replicate themselves when exposed to an invading pathogen, leading to a faster immune response upon reinfection?

What is the main function of T killer cells in the immune response?

Which cells produce antibodies in the humoral response?

What is the Y-shaped structure formed by antibodies made of?

Which type of immunity results from the introduction of antibodies from another person or animal?

What is the main function of cholesterol in the cell membrane?

What is the purpose of maintaining a vacuum environment in an electron microscope?

Which component of the cell membrane allows cells to adhere to one another and form tissues?

What do intrinsic proteins in the cell membrane primarily function as?

In a Transmission Electron Microscope (TEM), how are areas that absorb electrons represented in the images?

What is a key limitation of Scanning Electron Microscopes (SEM) and Transmission Electron Microscopes (TEM)?

Which type of molecule can easily pass through the cell membrane based on its structure?

What is the main purpose of cell fractionation?

Which component of the cell membrane acts as a cell surface receptor and neurotransmitter?

Which method is commonly used for cell fractionation?

What is the role of glycolipids in the cell membrane?

What is the resultant fluid called after cells are blended in an homogeniser during cell fractionation?

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