Misc
The first unifying theory of biology
Cell Theory
This type of transport between biological membranes does not require energy
What is passive transport
Location and site of DNA and DNA Replication
Site where DNA is transcribed to RNA
What is the nucleus?
These whip-like structures are found in some animal cells and are used for locomotion, but they are generally absent in plant and fungal cells.
What are flagella?
This technique involves creating a temporary slide of cells or tissues for microscopic examination.
What is making a temporary mount?
Why are cells small?
Surface area to volume ratio
This type of transport between biological membranes does require energy
Active Transport
Allows cells to maintain their stable internal environment and receives signals
What is the cell membrane?
This structure is found in plant and fungal cells but not in animal cells, and it provides rigidity and support.
What is the cell wall?
This type of microscopy provides higher resolution images by using a beam of electrons instead of light.
What is electron microscopy?
Big difference between Prokaryotes and Eukaryotes
No membrane-enclosed compartments in prokaryotes
This is the process of random movement toward equilibrium
What is diffusion
Receives vesicles containing proteins from the ER
What is the Golgi apparatus?
These small, hair-like structures are present in some animal cells but are generally absent in plant and fungal cells, aiding in movement and sensory functions.
What are cilia?
This method involves rapidly freezing a sample and then fracturing it to reveal internal structures, often used in electron microscopy.
What is freeze fracture?
Cell theory (3 parts)
Cells are the fundamental units of life
All organisms are composed of cells
All cells come from preexisting cells
This is the diffusion of water across the membranes through special channels, where water moves DOWN the concentration gradient
What is Osmosis
This organelle that contains the pigment chlorophyll.
What is the chloroplast?
These organelles are larger in plant cells and serve as storage for water, nutrients, and waste products, while in animal cells, they are smaller and more numerous.
What are the vacuoles?
This advanced technique uses fluorescent stains and antibodies to visualize specific proteins or structures within cells under a light microscope.
What is immunofluorescence?
Surface to volume ratio of a 3mm cube
2:1
This process involves engulfing large molecules or particles into the cell.
What is endocytosis?
This organelle contains digestive enzymes that break down waste materials and cellular debris.
What is the lysosome?
These structures are involved in cell division in animal cells but are absent in most plant and fungal cells.
What are centrioles?
This scientist is credited with coining the term "cell" after observing the microscopic structure of cork.
Who is Robert Hooke?