PSIO SESSION 3 S2

What is a catalyst?

• A substance that has no effect on the rate of a chemical reaction
• A substance that undergoes permanent change during a chemical reaction
• compounds that make a reaction go faster by reducing the amount of energy required to get them started

• compounds that make a reaction go slower by increasing the amount of energy required to get them started

How do catalyst speed up a reaction

• By lowering the activation energy

• By changing the equilibrium constant
• By slowing down the reaction
• By increasing the activation energy

Draw a reaction uncatalyzed, then with a catalyst

Which of the following correctly lists the two different fluid compartments that water is contained in?

• Lymphatic fluid and cerebrospinal fluid
• Saliva and gastric acid
• Intracellular fluid and extracellular fluid
• Blood and bone marrow

What is the liquid portion of blood called?

• solute

• ECF

• ICF

• plasma

what do organic compounds always contain?

• Oxygen and nitrogen
• Sodium and chlorine
• Carbon and hydrogen
• Iron and copper

All of the following are functions of lipids EXCEPT..

• energy storage

• structural support

• muscle contraction

• hormone synthesis

The monomer of lipids is...

• glucose+ sucrose

• amino acid+ proteins

• fatty acid+ glycerol

• nucleotide+ nucleic acids

What is the difference between an ionic bond and a covalent bond?

What about a cation vs anion?