Chem Quiz Flashcards
What three things are part of the scientific definition of food?
-Anything that can be used as building blocks for the body
-Anything that has calories
-Anything that can react with oxygen to produce ATP
Which food molecule will provide us with the QUICKEST energy?
Carbohydrates
Which elements do CARBS, PROTEINS, and FATS all have in common?
Carbon, Hydrogen, Oxygen
Which biomolecule has an additional element not found in the other two?
Proteins
What additional element is found in PROTEINS?
Nitrogen
Which biomolecule has the monomer / subunit called SACCHARIDE?
Carbohydrates
Which biomolecule has the monomer / subunit called AMINO ACID?
Proteins
What term is defined as having ONE type of atom throughout?
Element
What term is defined as having two or more different types of atoms chemically bonded?
Compound
Which of the following DECREASES when we exercise?
skin temperature
What 3 things does the human body need for survival?
water, food, oxygen
What is an independent variable?
The variable changed by the scientist.
What is a dependent variable?
What the scientist measures.
What is a control group?
A standard of comparison in an experiment.
TRUE or FALSE: Vitamins and minerals are NOT considered food.
TRUE
Which are the REACTANTS in this chemical reaction that happens in our body to provide us with energy?
6O2+C6H12O6—-6CO2+6H2O+ ATP (energy)
6O2
C6H12O6
In which organelle does this reaction take place?
6O2+C6H12O6—-6CO2+6H2O+ ATP (energy)
mitochondria
Which food molecule will provide us with the MOST energy?
Lipids (fats)
