Life is Cellular
Cell Structure
Cell Transport
Homeostasis and Cells
Photosynthesis
100
The basic unit of structure and function in living things
What is a cell?
100
"Mini organs" inside cells-perform unique functions
What is an organelle?
100
Particles moving from an area of higher concentration to an area of lower concentration
What is diffusion?
100
Cells perform particular tasks and communicate with one another to maintain homeostasis
What is cell specialization?
100
Molecule that can release and store energy by breaking and reforming the bonds between its phosphate groups
What is ATP?
200
All cells have DNA and a ___________
What is a cell membrane?
200
"Power plants" of the cell because they transfer chemical energy from food to compounds the cells can use
What are mitochondria?
200
Process in which molecules that cannot directly diffuse across the membrane pass through special protein channels
What is facilitated diffusion?
200
A group of similar cells that perform a particular function
What is a tissue?
200
What is photosynthesis?
300
Idea that new cells can only be produced by the division of existing cells
What is cell theory?
300
Proteins are assembled on these organelles
What are ribosomes?
300
The state of relatively constant internal physical and chemical conditions
What is homeostasis?
300
A group of tissues working together
What is an organ?
300
Light-absorbing compounds; the principal one in plants is chlorophyll
What are pigments?
400
Image from a microscope
What is a micrograph?
400
The portion of the cell outside the nucleus
What is the cytoplasm?
400
Water channel proteins
What are aquaporins?
400
Accepts and responds to molecular signals
What are receptors?
400
A stack of thylakoids
What is grana/granum?
500
Allows scientists to study cells and cellular components that are too small to see with your eye alone
What are microscopes?
500
Two organelles that are responsible for movement of a cell in its environment
What are flagella and cilia?
500
The diffusion of water through a selectively permeable membrane
What is osmosis?
500
Nervous system is an example of a ____
What is an organ system?
500
Electron carrier that can accept a pair of high-energy electrons and transfer them to another molecule that helps in photosynthesis
What is NADP+