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Introduction to Chemistry 3
By George Mixon
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Last updated over 5 years ago
13 questions
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Note from the author:
Iqwst LS3 - How Does Food Provide My Body With Energy?
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Question 1
1.
Do scientists classify vitamins and minerals as food?
YES
No
Question 2
2.
Explain why they are or are not food.
Question 3
3.
Where does the light and thermal energy given off when burns food come from?
Light and thermal energy given off from burning food comes from the lighter used to light the food.
Light and thermal energy given off from burning food is converted from the chemical energy stored in the food.
Light and thermal energy given off from burning food comes from oxygen.
Light and thermal energy given off from burning is created when food burns.
Question 4
4.
What is the same about carbohydrates, proteins, and fats?
Carbohydrates, proteins, and fats all have carbon, hydrogen, and oxygen atoms.
Carbohydrates, proteins, and fats are all made of the same number and types of atoms.
Carbohydrates, proteins, and fats all have the same arrangement and types of atoms.
Carbohydrates, proteins, and fats can all form long chains of molecules.
Question 5
5.
What is
true
about the breakdown of starch?
Animals, but not plants, can break down starch.
Organisms break down starch into carbon, hydrogen, and oxygen atoms.
Organisms break down starch into carbohydrate subunits.
Starch breakdown is not a chemical reaction.
Question 6
6.
When do humans store fat molecules in their bodies?
Humans store fat molecules every time they eat anything that contains calories.
Humans store fat molecules when they eat food with a lot of fat.
Humans store fat molecules when they eat junk food.
Humans store fat molecules when they eat more calories than they need.
Question 7
7.
How do children use food molecules to grow taller?
Children grow taller when they use food molecules they eat to build large molecules that make up new cells.
Children grow taller when they use the food molecules they eat to make up new cells without changing the food molecules.
Children grow taller when they use the energy from the food molecules, but all of the molecules leave the body as waste.
Children grow taller when they store food molecules as fat.
Question 8
8.
What is
true
about photosynthesis?
During photosynthesis, plants convert thermal energy into chemical energy and store the energy in food molecules.
During photosynthesis, plants use carbon dioxide and water in a chemical reaction to make glucose and oxygen.
Photosynthesis is a chemical reaction used by plants and animals to make food molecules.
Photosynthesis is the chemical reaction that plants use to get the energy to do things.
Question 9
9.
What is
true
about why plants usually grow in soil?
Plants use their roots to take in food from the soil.
Plants use their roots to take in non-food nutrients and water from the soil.
Plants use their roots to take in oxygen from the soil.
Plants use their roots to take in carbon dioxide from the soil.
Question 10
10.
Elodea was used to show the production of what gas exchange?
Oxygen to Carbon Dioxide
Nitrogen to Oxygen
Carbon Dioxide to Oxygen
Cabon monoxide to Oxygen
Question 11
11.
What is
true
about the breakdown of Proteins?
proteins are broken down into various simple sugars
proteins are broken down into amino acids
proteins break down into gycerol
protiens are not considered food
Question 12
12.
__________________are substances in your body that are involved in speeding up digestion
Lipids
Enzymes
Carbohydrates
Vitamins
Question 13
13.
A single Glucose molecule is made up of:
C
5
H
10
O
5
C
6
H
12
O
6
C
10
H
20
O
10
C
4
H
8
O
4