Cells And Microbes Keywords Flashcards
Aseptic Meaning
Medical aseptic technique is intended to minimize contamination from all pathogens. It prevents infection.
Bacteria Meaning
Bacteria are tiny, single-celled living organisms. There are millions of different types of bacteria. Many can be found in and on your body and are beneficial to you. These bacteria make up your microbiome, which keeps your body healthy.
Cell Meaning
In biology, the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body.
Cell Membrane Meaning
The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment. The cell membrane consists of a lipid bilayer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell.
Cell Wall Meaning
A cell wall is a structural layer that surrounds some cell types, found immediately outside the cell membrane. It can be tough, flexible, and sometimes rigid. Primarily, it provides the cell with structural support, shape, protection, and functions as a selective barrier.
Chloroplast Meaning
Chloroplasts are small, but critical structures inside of plant cells. They contain plant pigments, such as chlorophyll, and thylakoids, which harness sunlight to help plants make their own food energy.
Ciliated Cell Meaning
In this clip the structure and function of a ciliated epithelial cell is described. Cilia are tiny hair-like structures on the surface of the cell. The hairs sweep hair, mucus, trapped dust and bacteria up to the back of the throat where it can be swallowed.
Colony Meaning
A group of organisms (especially of the same species) living together in close association or connection (ant colony, eg).
Cytoplasm Meaning
Cytoplasm is the gelatinous liquid that fills the inside of a cell. It is composed of water, salts, and various organic molecules. Some intracellular organelles, such the nucleus and mitochondria, are enclosed by membranes that separate them from the cytoplasm.
Excretion Meaning
Excretion, in biology, is the process by which organisms expels metabolic waste products and other toxic substances from their body. Excretion is observed in every living organism, hence, it is an important life process. Excretory products are created as a by-product of metabolic and non-metabolic activities.
Fungi Meaning
Fungi, singular, fungus, is a group of eukaryotic, non-phototrophic organisms with rigid cell walls, that includes mushrooms, molds and yeasts. This definition has some words in it that probably need definitions of their own.
Growth Meaning
Growth is the physical process of development, particularly the process of becoming physically larger. It is quantifiable, meaning that it can be measured, and it is mostly influenced by genetics.
Mitochondrion Meaning
Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell’s biochemical reactions.
Movement Meaning
For any object, a change in the position is termed as a movement. In our human body, it takes place when there is any motion of a particular or a combination of body parts. In addition, we can term locomotion as the movement which results in the change of position of the whole organism.
Nerve Cell Meaning
A type of cell that receives and sends messages from the body to the brain and back to the body. The messages are sent by a weak electrical current. Also called neuron.
Nucleus Meaning
In biology, the structure in a cell that contains the chromosomes. The nucleus has a membrane around it, and is where RNA is made from the DNA in the chromosomes.
Nutrition Meaning
Nutrition is the study of food and how it affects the health and growth of the body. Nutrients are substances found in foods that our bodies use to grow, reproduce and survive.
Organ Meaning
In biology, an organ (from the Latin “organum” meaning an instrument or tool) is a collection of tissues that structurally form a functional unit specialized to perform a particular function.
Organism Meaning
An organism is a living thing that can function on its own. That includes your pet guppy, the tree in your backyard, and - of course - you. While the word organism typically indicates an actual living thing, you can also use organism to refer to anything that acts or functions like a living thing.
Palisade Cell Meaning
Palisade cells are special cells in the leaves of plants. They are the main place where photosynthesis takes place. They absorb light so photosynthesis can take place. Diagram of the internal structure of a leaf. They have the largest number of chloroplasts per cell of any plant tissue.
Protozoa Meaning
Protozoa are one-celled animals found worldwide in most habitats. Most species are free living, but all higher animals are infected with one or more species of protozoa. Infections range from asymptomatic to life threatening, depending on the species and strain of the parasite and the resistance of the host.
Reproduction Meaning
Reproduction refers to the biological process by which a new member (or members) of a species is created from a parent (or parents). The term procreation is often used synonymously with the word reproduction.
Respiration Meaning
The process by which organisms exchange gases, especially oxygen and carbon dioxide, with the environment. In air-breathing vertebrates, respiration takes place in the lungs.
Root Hair Cell Meaning
Root hair cells are present in the roots of the plants. Root hairs refer to the long and thin hairs that can penetrate between the soil particles. The larger surface area of the root hairs allows them to absorb water. Root hair cells are adapted to uptake water through osmosis and mineral ions through active transport.
