A major function of prokaryotic gas vesicles is to A) confer buoyancy on cells by decreasing their density. B) serve as a reservoir for oxygen and carbon dioxide. C) keep the cell's organelles separated during flagellar motion. D) store oxygen for aerobic growth when oxygen becomes depleted in the environment.

Q: do bacterial flagella participate in protein export?

A: Flagella Long appendage or tail that is used like a whip. It is found on attached to the cell body…

Q: Members of the mycoplasma genus of bacteria do not have a cell wall for protection, existing with…

A: Mycoplasma genus of bacteria -- Mycoplasmas are smallest self- replicating organisms with smallest…

Q: What relationships exist between cytoskeletal proteins inBacteria and those in eukaryotes?

A: The cytoskeleton is a complex, dynamic network of interlinking protein filaments present in the…

Q: Why are lysosomes known as “the cleaners” of the cell waste?

A: The cells are the basic structural and fundamental unit of the living system. it consist of many…

Q: Why can’t prokaryotic cell import whole proteins inside using channels, pores or transporters?

A: Introduction  Cell is the basic unit of life. All organisms be it single cellular or multicellular,…

Q: For each salt concentration used in this exercise, indicate whether it represents an isotonic,…

A: Tonicity indicates the relative solute concentration dissolved in solution, thereby determining the…

Q: What function do microtubules serve in the cytoskeleton?

A: cytoskeleton is composed of three  major filament systems that are 1)Microfilaments 2) Microtubules…

Q: In addition to providing support, the cytoskeleton immobilizes enzymes and organelles in the…

A: The cytoskeleton is a network of filaments present in the cytoplasm of all cells. Its primary role…

Q: Which of the cytoskeletal structures depicted provide resistance against mechanical stress (think…

A: The cytoskeleton is a structural component of all living organisms. It is formed by the interlinking…

Q: From memory, draw two eukaryotic cells. Label the structures listed here and show any physical…

A: Eukaryotic cells are generally more complex than that of prokaryotic ones. They possess nuclear…

Q: The fluid mosaic model refers to which cellular organelle?

A: In 1972, Sanger & Nicolson proposed the fluid mosaic model for explaining the structure and…

Q: B, C, D only     A, B, C, D     A, B, C only     A, C, D only

A: Prokaryotes are unicellular organisms with no membrane-bound structures, the most notable being the…

Q: What is the function of periplasmic space in a bacterial cell

A: In gram-negative bacteria, the periplasm can make up to 40% of the total cell volume, but in…

Q: absorption of nutrients is determined by...... a) The cell's volume b) The cell's surface area c)The…

A: The digested food containing nutrients get absorbed by the small intestine, and the cell involved is…

Q: which structure is present in some prokaryotic cells?

A: Prokaryotic cells are the type of cells in which a true nucleus and most double-layered cell…

Q: is cytoskeleton present in all prokaryotic and eukaryotic cell?

A: A structure that maintains cell shape is the cytoskeleton.

Q: What makesup the eukaryotic cell cytoskeleton?

A: The cytoskeleton is present in the cytosol of eukaryotic cells, and many protein and tubules are…

Q: are these found in eukaryotes, prokaryotes or both? 1. nucleus  2.  cell membrane 3. inclusion…

A: There are a variety of forms of life that exist in nature. All the organisms of different species…

Q: Which of the following prokaryotes has a relatively large surface-to-volume ratio for rapid gas…

A: Microorganisms are small organism that cannot be seen by naked eyes. They include bacteria, fungi,…

Q: What are the main advantages of the presence of organelles in eukaryotic cells?

A: Cells are the basic units of life. Cells are broadly classified as prokaryotic and eukaryotic cells.…

Q: From a functional standpoint, how does the flagellum ofeukaryotic cells differ from that of…

A: The lash like appendages of bacteria that protrudes out of the cell body is called flagella.  The…

Q: Why is a compartmentalized cytoplasm unusual in bacteria?

A: Bacteria are simply considered as prokaryotes means they are unicellular and lack nucleus and other…

Q: A vesicle in the cytoplasm is found to contain DNA with nucleotide sequences similar to those found…

A: Cytoplasm is gelatinous material present inside the cell membrane of the cell. It has major…

Q: What is the structure and role of each organelle: lysosome, vacuole, mitochondria, membrane,…

A: In a cell, there is organelles. Each organelles have one or more specific functions to perform. Some…

Q: A cell with an extensive area of smooth endoplasmic reticulum is specialized to _____.…

A: Endoplasmic Reticulum :-  It is  the transportation system of the eukaryotic cell and has many other…

Q: According to the endosymbiotic theory, why did the primitive eukaryotic cell fail to digest the…

A: Answer 2: is correct

Q: Why are enzymes so important for the cell to maintain? What happens to the cell when they are…

A: Enzymes are proteins that assist with accelerating metabolism, or the compound responses in our…

Q: Describe the Structure of peptidoglycan in the cell wall.

A: Peptidoglycan is a polymeric structure consisting of sugars and amino acids. These polymers form an…

Q: For what reasons would a eukaryotic cell evolve an endoplasmicreticulum and a Golgi apparatus?

A: A eukaryotic cell is one of two defined types of cells that are characterized by the presence of a…

Q: Let’s say you wanted to look at cells of Bacillus cereus, which are rod-shaped cells that are about…

A: Microscopes are used to visualize minute organisms or objects which cannot be seen under the naked…

Q: What functions does the cytoskeleton perform in eukaryotic cells?

A: Introduction: The cytoskeleton is the network of filaments present in the cell. It is the structure…

Q: Examples of inclusion bodies in bacterial cytoplasm are _____________ and _____________ .

A: Aggregates of protein that are insoluble in nature are known as Inclusion bodies. These are…

Q: What is the major structural difference between prokaryotic and eukaryotic cells?

A: We know that cells are the basic functional and structural units of all living organisms. Without…

Q: What is unusual about the mycobacterial cell wall?

A: The cell wall is a structure that is found in the external most layer of a cell. It is non-living…

Q: describe trypanosomes

A: Trypanosomes are flagellated protozoan parasites belonging to the genus Trypanosoma and family…

Q: What cell process does this statement describe? Waste material is enveloped inside a vesicle, and…

A: Phagocytosis is a cellular process for ingesting and eliminating particles larger than 0.5 μm in…

Q: What cellular components are common to prokaryotic and eukaryotic cells ?

A: The question asks to determine the cell components that are common to both prokaryotic and…

Q: What structures can be used to distinguish between prokaryoticcells and eukaryotic cells?

A: Introduction: Prokaryotes are single-celled organism and such unicellular organisms have the ability…

Q: Match each cell structure/organelle with the type of cell it is found in (Prokaryotic, Eukaryotic,…

A: They consist of eubacteria and archaebacteria. Bacteria are simple prokaryotic organisms which are…

Q: The endomembrane system     functions to make ATP.     does not exist in eukaryotic cells.…

A: Cell Membrane is a double layer of lipids and proteins, which surrounds a cell and separates the…

Q: What is the function of cytoplasm in prokaryotic cells?

A: The cell can be defined in biology as, the basic membrane-bound unit that contains the fundamental…

Q: Outline the process by which prokaryotic cells reproduce.

A: Prokaryotes are the unicellular evolutionary precursors to the eukaryotes. They are microscopic (0.1…

Q: What is the major distinction between a prokaryotic cell and a eukaryotic cell?

A: Prokaryotic cells are the cells that are found in bacteria.  Eukaryotic cells are the cells that are…

Q: What is the name of the semi-permeable structure that creates tight compartments surrounding…

A: Inside the cell wall, protoplasm is a jelly-like, colorless, transparent, and viscous fluid. The…

Q: What structural features are common with both prokaryotic and eukaryotic cells?

A: Cells are the self replicating smallest part of the body that are divided into two categories…

Q: Which organelle is found in all eukaryotic cells but not in prokaryotic cells?

A: Cell is the basic fundamental and structural unit of life.

Q: If mitochondria originated as proteobacteria and chloroplasts are descended from cyanobacteria,…

A: A cell is the basic key of life that is capable of performing all the functions of life and also…

Q: What is the main difference between a prokaryotic cell and a eukaryotic cell?

A: At the microscopic level, all living organisms are made up of the same basic unit – the…

Q: What are the three cytoskeletal elements observed in eukaryotic cells? What are their functions? Do…

A: The cytoskeleton is a structure that allows the cell to maintain its shape and organization of…

Q: What is Periplasm in bacteria?

A: Bacteria are the most important microorganisms to the food processor. Some bacteria are beneficial…