Biotechnology Unit 3 Vocab Quizizz

Match the term to its definition.

• 1.  store DNA; contains TRIS and EDTA

• TE

• maintains the pH of a solution

• TAE

•  contains TRIS, EDTA, and acetic acid

• TRIS

A ___________ is used to determine the molecular weight of a compound

_________ is a method using electricity to separate molecules

Solution​ (a)  

aqueous (b)  

solute​ (c)  

solvent​ (d)  

• mixture of substances, one dissolves the other
• water does the dissolving
• substance that gets dissolved
• substance that does the dissolving
• makes solution less concentrated
• makes solution more concentrated

Match the term to its best definition

• measures concentration of solute

• Molecular Weight

• sum of all atomic weights of atoms

• Molarity

• mass, in grams, of a given substance

• AMU

• mass of single hydrogen atom

• Normality

• measures concentration of acids and base

• Mole

Organize these options into the right categories

Groups:

(a) pH of 7

,

(b) pH less than 7

,

(c) pH more than 7

• acid

• neutral

• base

Buffer​ ​ (a)  

Dilution​ (b)  

Stock Solution​ (c)  

Agar​ (d)  

Agarose​ (e)  

• resists pH changes
• making a solution less concentrated
• very concentrated form of a solution
• solid media used to grow bacteria
• medium used for gel electrophoresis
• organic molecule used to maintain the pH
• solution in which water dissolves other molecules

This refers to the amount of hydrogen ions in a solution

• mole

• amu

• TRIS

• pH

Organize these options into the right categories

Groups:

(a) Microliter

,

(b) Milliliter

• 1/1,000,000th of a liter

• 1/1000th of a liter

This is used to measure tiny amounts of liquids