pH & Acids
What is the formula to calculate pH?
pH = -log[H30+]
What are the building blocks of proteins?
Amino acids
What element did we test that reacts violently with water?
Calcium
What type of blood cell carries oxygen?
Red blood cell
Which organ filters the blood and produces urine?
Kidneys
What is the pH of a solution with [H30+] = 0.001?
pH = 3
Which enzyme breaks down proteins in the stomach?
Pepsin
In the avocado + lipase lab, what change indicated fat breakdown?
Oily texture, smell change, lower pH, etc.
What is the function of hemoglobin?
Carries oxygen in the blood
Which organ helps regulate CO2 levels during breathing?
Lungs
Which organ removes CO2 to help control pH?
Lungs
Which organ releases amylase to break down carbohydrates?
Pancreas
How does temperature affect enzyme function?
Enzymes work best at optimal temperatures (It can denature if too hot and can slow down/stop activity if too cold).
What is the average pH of blood?
Approximately 7.35 - 7.45
What organ processes ammonia into urea?
Liver
Name a food or drink with a pH around 3.
Examples: Lemon juice, soda, etc.
What is the function of bile in digestion?
Emulsifies fats
What gas was released when calcium reacts with water?
Hydrogen
Name one disease caused by abnormal red blood cells?
Sickle cell anemia
What happens when the stomach produces too much acid?
Heartburn or ulcers may occur
What happens if blood pH drops below 7.35?
The body goes into acidosis.
What is the main function of lipase?
Breaks down fats into fatty acids and glycerol
What two factors were measured in the forensic blood typing lab to determine the blood type?
Presence/absence of antigens (A,B, or non) and the Rh factor (+ or -)
Where are red blood cells produced?
Bone marrow
Which two organs work together to maintain pH balance?
Lungs and kidneys