Cell Fundamentals
According to cell theory, all living things are composed of one or more of these.
Cells
This organelle is primarily responsible for protein synthesis.
Ribosome
This structure controls the movement of materials into and out of the cell.
Cell membrane
This type of transport is depicted when particles move through a protein channel from high to low concentration.
Facilitated diffusion
Groups of cells work together to form this level of biological organization.
Tissue
This characteristic of life refers to the ability of a cell or organism to maintain a stable internal environment.
Homeostasis
Known as the "powerhouse," this organelle produces ATP through cellular respiration in both plants and animals.
Mitochondira
This type of transport requires energy (ATP), whereas passive transport does not.
Active Transport
This term describes a solution that has a lower concentration of solutes than the cell
hypotonic
This level of organization is formed by groups of organs working together to perform a certain function.
Organ system
An organism possessing a true nucleus and membrane-bound organelles like mitochondria is classified as this type of cell.
Eukaryotes
This organelle converts sunlight energy into chemical energy specifically in plant cells.
Chloroplast
This process involves moving particles into the cell by surrounding them with the cell membrane (vesicle).
Endocytosis
If a cell with 40% water is placed in a beaker with 90% water, water will move in this direction.
Into the cell
This organelle is used for the storage of water and other food molecules.
Vacuole
This is the structure that surrounds the cell, made of phospholipids, proteins, carbohydrates, and cholesterol
Cell membrane
This organelle serves as the storage center for a cell's genetic information.
Nucleus
Particles are moved out of the cell through membrane-bound vesicles during this process.
exocytosis
This type of solution has a higher concentration of solutes than the cell, often causing water to move out
Hypertonic
If these organelles stopped functioning, the cell would immediately be unable to produce new proteins.
ribosomes
This is where cells come from
other pre-existing cells
This organelle would be highly abundant in muscle cells because they require large amounts of energy to contract.
Mitochondria
In a phospholipid bilayer, the parts are labeled as being either water-loving or water-fearing, also known as these two terms.
hydrophilic and hydrophobic
This describes a solution that has an equal concentration of solutes to the cell.
Isotonic
Organisms use at least one of these complex systems to maintain a stable internal environment. (Humans have 11 total.)
Body systems