If more energy is required to begin the reaction that is released
Endergonic reaction
100
I am a substance that releases hydrogen ions
Acid
100
The cell is surrounded by a watery medium known as...
Extracellular fluid or interstitial fluid
200
Features visible with the naked eye; Features not visible with the naked eye
Gross Anatomy; Microscopic Anatomy
200
The number of protons in an atom is known as...
Atomic Number
200
chemical reaction that breaks covalent bonds and releases energy that can be used for work in the cell
Catabolism
200
An ionic compound that consists of any cation except a hydrogen ion and any anion except a hydroxide ion
Salt
200
Separates the cells contents from the extracellular fluid
Cell Membrane
300
Study of the internal structures of cells; Study of the structures of tissue
Cytology; Histology
300
Positively charged Ions are called....
Cations
300
chemical reaction that builds more complex products from simple reactants and requires energy.
Synthesis or anabolism
300
A carbohydrate that contains 3 to 7 carbon atoms
Monosaccharide or simple sugar
300
The property that determines which substances can enter or leave the cytoplasm
Cell Permeability
400
Homeostatic regulation usually involves a _____ that is sensitive to change, a _____ which receives and processes information, and an ______ which responds
Recepter; Control center; Effector
400
I am the most important weak attractive force that is created between a slight positive charge on a hydrogen and a slight negative charge on an oxygen within a water molecule.
What is a hydrogen bond
400
The amount of energy that can be lowered when an enzyme is used during a chemical reaction.
Activation energy
400
A polysaccharide that is composed of interconnected glucosemolecules
Glycogen
400
The net movement of molecules from an area of high concentration to an area of low concentration
Diffusion
500
What are the Levels of Organization
Atoms, Cells, Tissue, Organs, Organ Systems, Orgamism
500
The most common Ions in bodily fluids
Sodium, Potassium, Calcium, Magnesium
500
If the amount of energy released is greater than the activation energy needed to start the reaction.
Exergonic reaction
500
Inorganic compounds whose ions can conduct an electrical current