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 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 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
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
What are the smallest units of life?
what is in the center of our cells?
What is a microscopic single-celled organism?
What is an organism consisting of a cell?
What is the semipermeable membrane surrounding the cytoplasm of a cell?
Several structures with specialized functions, suspended in the cytoplasm of a eukaryotic cell
What are the food producers of the cell?
What are known as the powerhouses of the cell?
What are the protein builders or the protein synthesizers of the cell?
What is a complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells?
What are organelles that contain digestive enzymes?
What is the material or protoplasm within a living cell, excluding the nucleus?
What is a tough and rigid outer layer that protects the cell and gives it shape?
What is a gelatinous layer forming the outer surface of some bacterial cells?
What is a whip-like structure that allows a cell to move?
What is a small dense spherical structure in the nucleus of a cell during interphase?
What is an irregularly shaped region within the cell of a prokaryote?
What is a molecule that encodes genetic information for the development and functioning of living organisms?
What is the colorless material comprising the living part of a cell?
What is a network of membranous tubules within the cytoplasm of a eukaryotic cell?
Basic unit of life
any of a number of organized or specialized structures within a living cell
any organism whose cells contain a nucleus and other organelles enclosed within membranes
a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles
energy factories of the cells
In both types of cells. Controls what goes in and out of the cell. (Gatekeeper)
Plant cell. Helps protect and support the cell. Gives a plant cell a shape
In both types of cells. Directs all cell actions, including reproduction
a minute particle
a type of organelle in eukaryotic cells that forms an interconnected network of flattened, membrane-enclosed sacs or tube-like structures known as cisternae
the first chamber in the alimentary canal
an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane
(in green plant cells) a plastid that contains chlorophyll and in which photosynthesis takes place
It is another packaging organelle like the endoplasmic reticulum (ER)
a complex structure within an organization or system
the material or protoplasm within a living cell, excluding the nucleus
lash-like appendage that protrudes from the cell body of certain prokaryotic and eukaryotic cells
is an organelle found in eukaryotic cells
A type of organelle in eukaryotic cells that forms an interconnected network of flattened, membrane-enclosed sacs or tube-like structures.
A group of organs that work together to perform body functions.
The material within a living cell, excluding the cell nucleus.
A fluid-filled vesicle found in the cytoplasm of plant cells or protozoans.
A group of similar cells that perform a common function.
A cell organelle composed of RNA and protein; site of protein synthesis.
Any number of organized or specialized structures within a living cell.
The arrangement of parts in an organism.
A rigid structure that surrounds the cell membrane and provides support to the cell.
The theory that states that all living things are made up of cells, that cells are the basic units of organisms, that each cell in a multicellular organism has a specific job, and that cells come only from existing cells.
A cell organelle that contains digestive enzymes.
In eukaryotic cells, the organelle that is the site of cellular respiration, which releases energy for use by the cell.
An organelle found in plant and algae cells where photosynthesis occurs.
The cytoplasmic network of protein filaments that plays an essential role in cell movement, shape, and division.
A small dense spherical structure in teh nucleus of a cell during interphase.
A cell organelle that helps make and package materials to be transported out of a cell.
A microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles.
The process by which cells use oxygen to produce energy from food.
A collection of tissues that carry out a specialized function of the body.
Any organism whose cells have a cell nucleus and other organelles enclosed within membranes.
The semipermeable membrane surrounding the cytoplasm of a cell.
A dense organelle present in most eukaryotic cells that contains genetic material.
One set of instructions for an inherited trait.
The life cycle of a cell.
In a eukaryotic cell, made up of DNA and protein.
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
What are the basic building blocks of life?
This cell is eukaryotic with no cell wall
This cell is eukaryotic with a cell wall
A structural layer that surrounds some types of cells it can be tough, flexible, and sometimes rigid
The basic building block of life
Is a scientific theory which describes the properties of cells.
Separates the interior of all cells from the outside environment.
a plastid that contains chlorophyll and in which photosynthesis takes place.
a gel-like substance that fills the cells of living organisms.
is any organism whose cells contain a nucleus and other organelles enclosed within membranes.
n activity or purpose natural to or intended for a person or thing
an organelle containing degradative enzymes enclosed in a membrane.
An organism that has more than one cell is ___________?
An organism that has no more than one cell
Any of a number of organized or specialized structures within a living cell
consisting of RNA and associated proteins, found in large numbers in the cytoplasm of living cells.
A storage in the cell
A non-living thing
A living thing
he tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
produces food for green plants by synthesizing simple sugars
The material of which the chromosomes of organisms other than bacteria are composed. It consists of protein, RNA, and DNA.
forms an interconnected network of flattened, membrane-enclosed sacs or tube-like structures known as cisternae.
a slender threadlike structure, especially a microscopic whiplike appendage that enables many protozoa, bacteria, spermatozoa, etc., to swim.
A complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport.
The organelle that produce energy for the cell through cellular respiration, and are rich in fats, proteins, and enzymes-see cell illustration.
a dense organelle present in most eukaryotic cells, typically a single rounded structure bounded by a double membrane, containing the genetic material.
a process used by plants and other organisms to convert light energy, normally from the Sun.
single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles