1. Glucose is a simple sugar made up of carbon, hydrogen, and oxygen. What kind of molecule is glucose?
A) Glucose is protein
B) Glucose is a nucleic acid***
C) Glucose is an organic molecule
D) Glucose is an inorganic molecule
2. Glucose is a simple sugar. It would most likely be found in which of the following foods?
A) apples
B) bread***
C) fish
D) olive oil
3. What makes carbon atoms essential to life?
A) Carbon atoms bond with other atoms, producing minerals that are essential to life.***
B) Our bodies make carbon atoms, which are essential to life.
C) One carbon atom and two hydrogen atoms make up water, and water is essential to life.
D) Carbon atoms bond with other carbon atoms, producing large molecules that provide the backbone for the molecules that are essential to life.
4. Why is water essential to living things?
A) water is essential because it is an inorganic compound.
B) water is essential because it contains hydrogen and oxygen atoms.
C) water is essential to many of the chemical reactions that occur in the body.***
D) Water is essential because, without it, people would have no fish to eat, and they could not get the protein that they need.
5. how does the body use carbohydrates?
A)carbohydrates are the body's main source of energy
B)Carbohydrates are used in body structures such as muscles, hair, and teeth.
C) carbohydrates are the essential building blocks of cells.
D)Carbohydrates are used to carry instructions for how the body should function.***
1. C
2. A
3. D
4. C
5. A
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