What is the study of cellular structure and function?
What kind of cells do not contain a membrane-bound nucleus or any other membrane-bound organelles?
What are organized structures of macromolecules that have specialized functions and that are suspended in cytoplasm?
What is, in a prokaryote organism, enclosed in a plasma membrane and is surrounded by a cell wall that is covered by a gelatinous capsule?
What are hairlike outgrowths that are common in prokaryotes and are used for movement?
What are hairlike outgrowths that are common in prokaryotes and are used for both attaching some types of bacteria to surfaces or exchanging genetic information with other types of bacteria?
What is formerly known as blue-green algae and contain chlorophyll a and accessory pigments for photosynthesis, but the pigments are not enclosed in a membrane-bound chloroplast?
Where are the pigments that are produced from cyanobacteria held in (photosynthetic membranes)?
What are cyanobacteria often surrounded by?
What contains genetic material of the cell while also controlling the metabolism of the cell (within eukaryotic cells)?
What forms the matrix of the eukaryotic cell and is contained by the plasma membrane?
What are elliptical green organelles in plant cells that are the site of photosynthesis?
What are organelles that are found in both animal and plant cells that are the site where aerobic respiration occurs?
What is the part called that contains all of the material and organelles contained by the plasma membrane?
What are the small, regularly shaped units that you see that are surrounded by cell walls?
What part of the cell contains mostly water and is bounded by a vacuolar membrane?
What makes up 90% of the volume of mature cells and has the functions of storage of organic and inorganic molecules, ions, water, enzymes, and waste products?
What is movement of the chloroplast called?
Outer part of cell wall?
What is the substance holding walls of two adjacent cells together?
What is cytoplasmic strands that is connected to the protoplasm of adjacent walls of the cell, in means of penetrating the cell wall?
What holds respiratory enzymes and other large respiratory molecules in place within the mitochondria?
What are temporary protrusions of the cell?
What is an irregularly shaped, heterophobic protist with many internal organelles?
What is an important structure in amoeba that accumulates and expels water and waste products?
What, in plant cells, is the double membrane that encloses the nucleolus?
What, in plant cells, is the passageway for molecules into and out of the nucleus?
What is the site of detoxification and lipid synthesis in plant cells?
What is the site of protein sorting and lipid synthesis in plant cells?
What is the site of protein sorting and secretion in plant cells?
What is the membrane that controls movement of substances into and out of the cell and is the site of cell signaling, in plant cells?
What is the structure that provides cell support in plant cells?
What is the site in plant cells where hydrogen peroxide and other harmful molecules are broken down?
What in a plant cell is the site of modification, sorting, and secretion of lipids and proteins?
What in a plant cell contains the protein filaments that provide shape and aid in movement?
What in a plant cell is the site of many metabolic pathways?
Basic unit of a chemical element
A group of atoms bonded together
the smallest structural and functional unit of an organism,
an organelle found in large numbers in most cells
the material or protoplasm within a living cell
study of cell structure and function
the semipermeable membrane surrounding the cytoplasm of a cell.
(in green plant cells) a plastid that contains chlorophyll and in which photosynthesis takes place.
a dense organelle present in most eukaryotic cells
any of a number of organized or specialized structures within a living cell.
single-celled organism which has neither a distinct nucleus with a membrane nor other specialized organelles
organism whose cells contain a nucleus surrounded by a membrane
a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria
A sphere-shaped structure within the cytoplasm of a cell that is composed of RNA and protein and is the site of protein synthesis
a network of membranous tubules within the cytoplasm of a eukaryotic cell
It is another packaging organelle like the endoplasmic reticulum
transport of materials within the cytoplasm.
an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane.
Theory that states that cells are the basic units of structure and function in living organisms.
An organelle found in plants and algae that absorbs sunlight and uses it to drive the synthesis of organic compounds (sugars) from carbon dioxide and water
A protective layer external to the plasma membrane in plant cells bacteria fungi and some protists; protects the cell and helps maintain its shape
A structure found in animal cells from which microtubules originate and that is important during cell division (contains two centrioles)
The central vacuole is a cellular organelle found in plant cells. It is often the largest organelle in the cell. It is surrounded by a membrane and functions to hold materials and wastes.
A narrow thread of cytoplasm that passes through the cell walls of adjacent plant cells that allows connections between them.
A digestive organelle in eukaryotic cells; contains hydrolytic enzymes that digest engulfed food or damaged organelles
The contents of a eukaryotic cell between the plasma membrane and the nucleus; consists of a semi-fluid medium and organelles; can also refer to the interior of a prokaryotic cell
A cell structure consisting of RNA and protein organized into two subunits and functioning as the site of protein synthesis in the cytoplasm; in the eukaryotic cells the ribosomal subunits are constructed in the molecules
organelle composed of a double membrane that acts as the storehouse for most of a cell's DNA
A bean-shaped organelle that supplies energy to the cell and has its own ribosomes and DNA
The thickest of the three main kinds of fibers making up the cytoskeleton of a eukaryotic cell; a hollow tube made of globular proteins called tubulins; found in cilia and flagella
That portion of the endoplasmic reticulum with ribosomes attached that make membrane proteins and secretory proteins
The portion of the endoplasmic reticulum that lacks ribosomes centrioles/ A small cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division.
A small cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division.
A thin flexible layer around the cells of all living things; it's job is to separate the cytoplasm from the cell's surroundings
A complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport.
the control center of the cell: contains DNA as chromatin
the fluid boundary surrounding all cells: made primarily of lipids
the rigid, protective outer barrier of some cells. in plants the cell wall is made of cellulose
the powerhouse of the cell. the site of cellular respiration.
areas of the cell used for storage of water and waste
the site of protein synthesis. found free in the cytoplasm as well as attached to the Rough ER. found in ALL CELLS
the site of photosynthesis in plant cells
a network of membranes used for intracellular transport of molecules
the gel-like substance that supports the organelles within the cell
organelles containing digestive
a cell without a nucleus or membrane-bound organelles
a cell with a nucleus and membrane-bound organelles
two kingdoms of organisms made up of prokaryotic cells
a circular piece of DNA, separate from the main genome found in bacteria and often used in bacterial transformation
the fact that certain cells have structures that allow them to carry out their intended function
the turning on and off of genes that allows cells to become specialized
a cell with many branching projections
cells that are specialized to contract and cause movement
cells that are specialized to carry oxygen within the body
cells that are specialized to attack and engulf pathogens that enter the body
male reproductive cells. they are haploid and have flagellum to allow for movement
stem cells that have had some genes turned off, so they can become only certain types of cells within the body
stem cells with the complete genome, still able to become any type of cell within the body
A specialized subunit within a cell that has a specific function, and is usually separately enclosed within its own membrane. Little organs within the cell.
Shaped like a bean, this cell organelle helps take food and manufacture energy from it. It is known as the powerhouse of the cell. The energy it makes is ATP.
An elongated or disc-shaped organelle containing chlorophyll. This is the site of photosynthesis.
The cell's "skeleton" of microtubules which gives it shape, strength, and the capacity for directed movement
The control center of the cell, it contains the hereditary information and carries the instructions for making proteins.
The organelles where proteins are made from the translation of RNA strands.
Jelly-like substance that makes up the matrix of the cell body.
a double-layered membrane that surrounds the cell. Also called the plasma membrane, it regulates what enters and leaves the cell.
known as the garbage men, contains digestive enzymes to breakdown worn out cell parts or destroy foreign invaders
modifying, sorting and packaging of proteins for secretion.
membrane system of folded sacs and interconnected channels that serves as a site for protein and lipid synthesis
found in fungi, plants, and bacteria. It surrounds the cell membrane and aids in support and structure of the cell.
They can be used to contain cellular waste, isolate materials that may be harmful to the cell, or hold water for plants. They are very versatile in their function
the basic structural unit of all living things
a specialized part of a cell having some specific function made of macromolecules
A single-celled or multicellular organism whose cells contain a membrane-bound nucleus
organism not enclosed in a nucleus. Bacteria and archaeans are this
an organelle in the cytoplasm of cells that produces energy
the semipermeable membrane enclosing the cytoplasm of a cell
the definite boundary that is part of plant cells and not in animal cells
a double membrane, and found in most living eukaryotic cells, directing their growth, metabolism, and reproduction, and functioning in the transmission of genic characters
particles in the cytoplasm of cells, either free or attached to the endoplasmic reticulum, that contain RNA and protein and are the site of protein synthesis
The membrane network in cytoplasm that is composed of tubules that carry ribosomes on their surfaces some are rough while others are smooth.
a cell organelle containing enzymes that digest particles
contains chlorophyll and other pigments, occurrs in plants and algae that carry out photosynthesis
a complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport
jelly like substance between the cell membrane and the nucleus
enables many protozoa, bacteria, spermatozoa to move about / swim about the cell
providing locomotion to protozoans and moving liquids along internal tissues in animals
A membrane bound structure that is the basic unit of life
The lipid bilayr that forms the outer boundary of the cell
A rigid structure that surrounds the cells of plants and most bacteria
A jelly-like substance that hold the cell organelles together
Known as the "skeleton" of the cell; network of long protein strands in the cytosol that helps support the cell
A system of membranes that modifies and packages proteins for export by the cell
Powerhouse of the cell; produces energy (ATP) from oxygen and sugar (cellular respiration)
An organelle containing digestive enzymes
The organelle where ribosomes are made, synthesized and partially assembled, located in the nucleus
The organelle that contains the DNA and controls the processes of the cell
An organelle that functions in the synthesis of proteins
Stores water and nutrients for the cell; very large in plant cells
A membrane bound sac that contains materials involved in transport of the cell
An internal membrane system in which components of cell membrane and some proteins are constructed
whip-like tails found in one-celled organisms to aid movement
One of several bodies with a specialized function that is suspended in the cytosol of the cell; small organs
A double membrane that surrounds the nucleus in the cell
This type of cell is rectangular in shape.
Animal cells are ______ in shape.
This organelle is larger in a plant cell compared to it's size in an animal cell.
These green organelles are located in a plant cell, but not an animal cell.
The reason plant cells maintain their shape.
A plant cell is _____ than an animal cell.
An animal cell has many _____ vacuoles.
This organelle in an animal cell contains digestive enzymes.
A(n) _____ cell has no cell wall.
The animal cell is _____ in size than the plant cell.
Chloroplasts are the sight of ______ in a plant cell.
The organelle in the nucleus that helps make ribosomes; located in both plant and animal cells.
This ER, located in both kinds of cells, has ribosomes making proteins.
_____ cells have the organelle that contains the DNA site where RNA is made.
Both animal and plant cells have _____ different endoplasmic reticulums.
Plant and animal cells are _____.
This site of cellular respiration is in both plant and animal cells.
Both cells have this jelly-like substance that contains the organelles.
A plant cell has a cell wall AND a _______, unlike the animal cell.
This "post office" organelle is located in both cells.
The jelly-like fluid that is consistently flowing inside a cell.
An organelle that packags and distributes proteins: it modifies and sends proteins to the correct place within the cell.
An organelle that store water and other excess materials not needed by th cell.
An organelle that makes energy for the cell by breaking down sugars.
An organelle that makes proteins.
A rigid structure that gives support and shape to a cell. Only in plant cells.
A protective layer that overs the cell's surface. It controls the movement of particles in and out of the cell.
An organlls that is responsible for destroying worn or damaged organelles.
An organelle only found in plant and algae cels where photosynthesis takes place (contains cchlorophll).
An organelle made up of folded membranes whose functions include making proteins, lipids, and proccessing other materials.
A web of proteins in the cytoplasm that keeps a cell's mebrane from collasping.
One of the structures in the nucleus that is made up of DNA and protein.
An organelle that contians genetic material.
Inside of the nucleuos where ribosomes are made.
Controls the movement of praticles in and out of the nucleus
A flexible boundary that controls the movemens of substamces into and out of the cell.
A fluid or air-filled cavity or sac.
The relaxed form of DNA in the cell's nucleus.
Projections that aid in locomotion and feding.
The ageuous component of the cytoplasm of a cell, various organelles and particles are suspended.
The basic building blocks of all living things.
A group of similar cells that live and work together
A collection of tissues joined in a structural unit to serve a common function.
A group of organs that work together to perform one or more functions.
An individual life form.
Surrounds the cytoplasm of a cell and gives the cell structure and support.
A gel-like substance inside the cell that contains all the cell parts and organelles.
A group of tissues that work together to perform a specialized function or functions.
Molecules that contain all the genetic material and traits for each organism.
Molecules are single stranded nucleic acids composed of nucleotides.
A type of plastid that contains chlorophyll which is where photosynthesis takes place.
An organelle that modifies,sorts,and packs molecules and stores or sends it when needed.
Often known as the "powerhouses" of the cell, this organelle generates energy for the cell through cellular respiration.This means it takes in nutrients from the cell, breaks it down, and turns it into energy.
An organelle in both plant and animal cells that provides support and participates in a variety of cellular functions including storage, protection, and growth.
Sacs of enzymes that digest food, water, and waste
Extensive network of membranes composed of both regions with ribosomes (rough ER) and regions without ribosomes (smooth ER).
Tiny structures bound by a membrane that contain enzymes that produce hydrogen peroxide as a by-product.
The outermost covering of a cell that protects the cell and gives it shape & support.
Organisms made up of only one cell
Organisms made up of two or more cells
Chemical compound that contains carbon atoms.
Molecules that allow organisms to transfer genetic info from one generation to the next. There are two types of nucleic acids: DNA and RNA.
Consisting of RNA and proteins, they are responsible for protein production and assembly.
A substance made entirely of one type of atom.
The smallest unit of a substance that maintains the properties of that substance.
Membrane bound structure that contains the cell's hereditary information and DNA. Also controls all of the cells activities.
A membrane which surrounds the genetic material and nucleus in eukaryotic cells.
A structure inside the cell nucleus that rewrites ribosomal RNA (rRNA) and combine it with proteins, results in the formation of incomplete ribosomes.
Tubelike structures that aid in cell division and Celiogenesis, are generally are found close to the nucleus
A theory that descibes the basic characteristics of all cells and organisms. It is one if the foundational ideas of modern biology
A protective outer covering of all cells that regulates the interaction between the cells and the environment.
A constantly moving gel-like mixture inside the cell membrane that contains hereditary material and is the location of most of a cell's life processes.
A rigid structure that encloses, supports, and protects the cells of plants, algae, fungi, and most bacteria.
A structure in the cytoplasm of a eukaryotic cell that can act as a storage site, process energy, move materials or manufacture substances.
An organelle that controls all the activities of a cell and contains hereditary material made of proteins and DNA.
A green, chlorophyll- containing, plant-cell organelle that uses light energy to produce sugar from carbon dioxide and water.
A cell organelle that breaks down food and releases energy
Small cytoplasmic structure on which cells make their own proteins
Cytoplasmic organelle mix materials around in this complex series of folded membranes can be rough (with attached ribosome) or smooth (without attached ribosomes).
Organelles that package materials and transfer them within the cell or out of the
Group of similar cells that work together to do one job
Structure, such as the heart, made of different types of tissues that work all together