How to see and visualize cells
What is a light/electron microscope?
The cell's phospholipid bilayer prevents
What is random things drifting in and out of the cell?
The process in which water flows through a cell via specialized protein channels
What is osmosis?
The meshwork of protein filaments
What is cytoskeleton?
The chemical stimulus that binds to cell receptors.
What is a ligand?
The difference between the two different cell types.
What is membrane bound organelles ?
The packaging and transport of cellular products and waste
What is vesicles and the Golgi apparatus
The direct input of metabolic energy to transport substances against the concentration gradient
What is active transport?
The fibrous elements and proteins holding cells together.
What is the extracellular matrix?
The pathway that leads to a cell's response to a signal
What is the signal transduction pathway?
The number of organelles in a cell can provide insight to
The regions in which RNA and proteins assemble the ribosomes.
What is the nucleolus
The proportionality of the concentration gradient versus diffusion rate is (directly or indirectly proportional)
What is directly proportional?
The three major roles of plant cell wall
What is provides support for the cell, acts as a barrier to infection, and Controls direction of cell expansion.
The most common second messenger
What is Cyclic AMP (cAMP)?
The volume of a cell determines its
What is metabolic activity rate?
The difference between Rough ER and Smooth ER.
What is the Rough ER synthesizes proteins and Smooth ER synthesizes lipids.
The value of NaCl and sucrose in the water potential equations respectively
What is values 2 and 1 respectively?
The main characteristics of the plasma membrane is described as
What is the fluid mosaic model?
The four types of signals cells release that affect cells at varying distances.
What is autocrine, paracrine, juxacrine, and hormones
The three components of cell theory
What are: cells are the fundamental units of life, all living organisms are composed of cells, all cells come from preexisting cells.
The plant Vacuoles have several functions, these being
What is storage, structure, reproductions, catabolism.
If a cell's pressure potential is 3 bars and its solute potential is -4.5 bars, what is the water potential?
what is -1.5 bars
The difference between the protein filaments
What is the microfilaments stabilize cell shape while intermediate filaments resist tension?
The altercation of an enzymes 3D shape is called___ and does___
What is allosteric regulation: enhances or inhibits enzyme activity