Chemistry of the Body - Food Flashcards
What do the enzymes work on?
a. substrate
b. Lipid
c. calorie
a. substrate
What is a substitute for sugar (nutra sweet/ equal)?
a. Plant fat
b. aspartame
c. undernourished
b. aspartame
What is the fat that is typically a liquid at room temperature?
a. Fat Soluble
b. saturated fat
c. plant fat
c. plant fat
What are many simple sugars bonded together?’
a. Monosaccharide
b. Polysaccharide
c. triglyceride
b. polysaccharide
What are the proteins that are needed for the diet?
a. Glucose
b. trace minerals
c. essential amino acids
c. essential amino acids
What is the process that plants take in carbon dioxide and converts it to oxygen?
a. calorimetry
b. photosynthesis
c. complete protein
b. photosynthesis
What is the most common type of fat?
a. Triglyceride
b. polysaccharide
c. fat soluble
b. polysaccharide
What is a simple sugar (one)?
a. monosaccharide
b. polysaccharide
c. aspartame
a. monosaccharide
What is a food calorie?
a. substrate
b. vitamins
c. Calorie
c. Calorie
What is it called when you do not get enough calories no matter what you eat?
a. malnourished
b. undernourished
c. Limiting reactant
b. undernourished
What is part of a chemical reaction that is used up FIRST?
a. Complementary Protein
b. Triglyceride
c. Limiting reactant
c. Limiting reactant
What is the fat that contains ALL SINGLE bonds?
a. Saturated fat
b. Plant fat
c. Unsaturated fat
a. Saturated fat
What is the fat that is typically a solid at room temperature?
a. Saturated fat
b. animal fat
c. Plant fat
b. animal fat
What are biomolecules that are necessary for growth, reporduction and life?
a. Lipid
b. Vitamins
c. Minerals
b. vitamins
What is a unit of heat energy (This is what we measure heat in)
a. Meters
b. celcius
c. calorie
c. calorie
What is the process of measring the amount of thermal energy released from food in controlled conditions?
a. Calorimeter
b. Calorimetry
c. Triglyceride
b. Calorimetry
What contains ALL the amino acids that are needed?
a. Complete protein
b. Essential amino acid
c. Aspartame
a. Complete protein
What are the life supporting materials that are in our diet?
a. Vitamins
b. Minerals
c. Saturated fat
b. Minerals
What is the combination of plant proteins and/or animal proteins that together have ALL 9 missing amino acids?
a. complementary protein
b. Fat Soluble
c. Saturated fat
a. Complementary protein
What is the type of fat where carbons have a double bond between them?
a. Unsaturated fat
b. Saturated fat
c. Animal fat
a. Unsaturated fat
What is the key energy releasing carbohydrate in biological systems?
a. Aspartame
b. Glucose
c. Lipids
b. Glucose
What are fats that are a class of Biochemicals called?
a. lipid
b. Fat soluble
c. Saturated fats
a. Lipid
What is it when the diet does not contain all the necessary nutrients?
a. undernourished
b. malnourished
c. complementary proteins
b. malnourished
What is the difference between plant and animal fat?
a. Plant fats are saturated and animal fats are not
b. Plant and animal fats are solid at room temperature
c. Plant fats are liquid at room temperature and animal fats are solid
c. Plant fats are liquid at room temperature and animal fats are a solid
What is the ULTIMATE source of food energy?
a. Sugar
b. Sun
c. Fat
b. Sun
What is the process where pants convert energy from the sun called?
a. Photosynthesis
b. Respiration
c. Combustion reactions
a. Photosynthesis
What is the best fat for the body?
a. Transition
b. Saturated
c. Unsaturated
c. Unsaturated
What are long chains of proteins?
a. vitamins
b. amino acids
c. vitamins
b. amino acids
Why don’t fat molecules dissolve in water?
a. They are non-polar
b. They are polar
c. It is a solid
a. they are non-polar
Which elements make up proteins?
a. calcium
b. Nitrogen
c. helium
d. Phosporus
e. A and B
f. C and D
g. All of the above
g. All of the above
Why is is hard to burn excess fat?
a. it is not an energy source
b. they are so complex
c. it is not flammable
b. they are so complex
What happens in the small intestine when proteins are digested ?
a. They absorb water
b. Nothing happens
c. It breaks the bonds and releases individual amino acids
c. It breaks the bonds and releases individual amino acids
What happens when you eat more protein than your body needs?
a. the body uses the extra protein for energy
b. Builds more muscle
c. Causes dehydration
c. causes dehydration
What organ is involved in removing excess amino acids from your body?
a. Stomach
b. Liver
c. spleen
b. Liver
Can your body store extra protein?
a. Only as a last resort
b. NO
c. YES as a muscle
b. NO
In what form, is the excess amino acids excreted out of the body?
a. Sweat
b. Tears
c. Urine
c. Urine
How does an enzyme interact with a substrate?
a. Changing the shape of the molecule
b. Making the reaction more favorable
c. weakening key bonds
d. All of the above
d. All of the above
What happens to the enzyme after the reaction?
a. Breaks apart
b. Stay with the substrate
c. Is digested
a. Breaks apart
What are minerals used for?
a. To help enzymes
b. Maintain body structure
c. Makes bones
d. A and C]
e. B and C’
f. All of the above
f. All of the above
Why can fat-soluble vitamins be toxic to the body?
a. They are polar
b. They are stored in the body and the levels can build up
c. They are dissolved in water
b. They are stored in the body and the levels can build up.
What was the first food additive used?
A. Sugar
B. Oil
C. Salt
C. Salt
What is aspartame also known as
A. Nutra sweet
B. Sugar
C. Saccharine
A. Nutra sweet
How many Calories are there in 1000 calories?
A. 100
B. 10
C. 1
C. 1
What are minerals classified as? A. Micro B. Trace C. Macro D. All of the above
D. All of the above
What is the most common type of fat?
A. Polysaccharide
B. Triglyceride
C, fatty acids
B. Triglyceride
Which one is NOT a reason food additives are used?
a. Decrease visual appeal
b. Ease production
c. Increase foods nutritional value
a. Decrease visual appeal