Biochemistry

Random Science or chemistry Quiz

Can you name the definitions of the chemistry terms?

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definitions Example
When a molecule contains both polar and nonpolar groupsmicelle, phospholipid
a negatively charged ion, more electrons than protons
When water absorbs and releases large amounts of heat slowly before temperature changes. Ex: in order to evaporate it takes a lot of energy so it has a _________.
The stronger the acid....the larger the_____.
What is the purpose of a buffer?
What donates a proton
What accepts a proton
The neutral pH level
when a persons pH level is above 7.8
a positively charged ion, more protons than electrons
Covalently bonded molecules do not share electrons equallyH20
The stronger the acid....
A large amount of heat is required to convert water from a liquid to a gas.
As the hydrogen ion concentration increases....
what rapidly and completely dissociates in aqueous solutions?
Diffusion of water through a selectively permeable membrane from a region of higher concentration to lower concentration
What equation describes the dissociation characteristics of weak acids and bases and the effect oh pH?
Ionic interactions in biological molecules
What is the normal pH level in humans?
Atoms that have lost or gained electrons
The stronger the acid.....
definitions Example
What type of molecule demonstrates hydrogen bonding?
Pressure required to stop the net flow of water across the membrane
When a molecule is easily dissolved in water. i.e; water loving
When a molecule does not dissolve in water easily. i.e water fearing
What does not completely dissociate in water
side effect of acidosis
Covalently bonded molecules that share electrons equallyH2
the acidity and alkalinity is based on the _____
A weak bond formed between hydrogen atoms
The sharing of electrons between atoms
The stronger the acid, the lower the______.
Side effect of alkalosis
a pH level of 13 is
Solution has same solute concentration relative to the cell
What represents the effects of osmotic solutions on cells?
When a persons pH level is below 7.0
Intracellular Fluid Compartment (ICF)
The capacity/ability of a solvent to reduce attractive forces between ions
Solution that has a higher solute concentration relative to the cell, cell will crenate
Extracellular Fluid Compartment (ECF)
Solution has lower solute concentration relative to cell, cell will swell

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