Cell Structure and Function

• What type of cell shape is flagellated?

  Thread-like cells
• What type of cell shape is mostly found in bone matrix formation?

  Spider-like cells
• Which cell has a "true" nucleus that is usually found in plants and animals that are examples of multicellular organisms?

  Eukaryotic cell
• Which cell has a "false" nucleus that is usually found in bacteria that is an example of an unicellular or single-celled organism?

  Prokaryotic cell
• What type of cell is in the image?

  Animal cell

  
• What type of cell is in the image?

  Plant cell

  
• What type of cell is in the image?

  Protozoa cell

  
• What type of cell is in the image?

  Bacterial cell

  
• What component is found in all cells?

  Cytoplasm
• It surrounds the cell and controls which substances move in and out (selectively permeable) and are embedded by proteins in a lipid bilayer or attached to one of its surfaces to carry out membrane functions.

  Plasma membrane
• It is a jellylike mixture of water, sugars, ions, and proteins that is a site of some or all of the cell's metabolism.

  Cytoplasm
• It is the structure that carries out a specialized metabolic function inside a cell.

  Organelle
• It is a mosaic of proteins and lipids (mainly phospholipids) that functions as a selectively permeable barrier separating an internal environment from an external one.

  Cell membrane
• It is a cell membrane that can be considered a two-dimensional fluid of mixed composition.

  Fluid Mosaic Model
• What type of membrane protein fastens cells together or external proteins that connect protein filaments inside the cell with external filaments in animal tissues?

  Adhesion proteins
• What type of membrane protein triggers a change in cellular activity in response to a stimulus such as binding to a particular substance that occurs on cells of the immune system?

  Receptor proteins
• What type of membrane protein is part of a membrane-bound set of molecules that together break down drugs and other organic toxins?

  Enzymes
• What type of membrane protein binds the molecules on one side of the membrane, releases them on the other side, and transports glucose?

  Transport proteins
• It is the smallest and most metabolically diverse life that is commonly found in domains of bacteria and archaea and inhabits nearly all regions of the biosphere.

  Prokaryotes
• It is a circular DNA molecule in a nucleoid region that may contain additional genes as plasmids.

  Cytoplasm
• It consists of peptides and polysaccharides (in bacteria) or proteins (in archaeans) and is semirigid but permeable structures that surround the plasma membrane of some cells.

  Cell wall
• It is a community of different types of microorganisms living within a shared mass of slime.

  Biofilms
• It protects and controls access to the cell's DNA.

  Nucleus
• It is a double membrane that constitutes the outer boundary of the nucleus.

  Nuclear envelope
• It is a series of interacting organelles between the nucleus and plasma membrane, makes and modifies lipids and proteins, and recycles molecules and particles such as worn-out cell parts along with inactivating toxins.

  Endomembrane system
• It is a continuous system of sacs and tubes that is an extension of the nuclear envelope.

  Endoplasmic reticulum
• What is the type of endoplasmic reticulum that is studded with ribosomes (for protein production)?

  Rough endoplasmic reticulum
• What type of endoplasmic reticulum that has no ribosomes?

  Smooth endoplasmic reticulum
• It is a small, membrane-enclosed, and saclike organelle that stores, transports, or degrades its contents.

  Vesicle
• It is a fluid-filled organelle that isolates or disposes of wastes, debris, or toxic materials.

  Vacuole
• It is a vesicle with enzymes for intracellular digestion.

  Lysosome
• It is an enzyme-filled vesicle that breaks down amino acids, fatty acids, and toxic substances.

  Peroxisome
• It is an organelle that modifies polypeptides and lipids and also sorts and packages the finished products into transport vesicles.

  Golgi body
• It is a double-membraned organelle that produces ATP (adenosine triphosphate).

  Mitochondrion
• It is an organelle of photosynthesis for coloring substances.

  Chloroplasts
• It supports, organizes, and moves eukaryotic cells and their internal structures.

  Protein filaments
• It is a dynamic system of protein filaments and interacts with accessory proteins, such as motor proteins.

  Cytoskeleton
• It is the cytoskeletal elements involved in movement and the hollow filaments of tubulin subunits.

  Microtubules
• It is the reinforcing cytoskeletal elements and fibers of actin subunits.

  Microfilaments
• It is the cytoskeletal elements that lock cells and tissues together.

  Intermediate filaments