Quiz about Metabolic Reactions

Question 1

the body's use of molecules for energy and growth

Accepted Answer

metabolism

Answer

system

Answer

starch

Answer

protein

Question 2

a group of atoms joined together in a particular way

Accepted Answer

molecule

Answer

system

Answer

cell

Answer

metabolism

Question 3

a molecule that organisms get from the air or water around them and use to release energy

Accepted Answer

oxygen

Answer

proteins

Answer

glucose

Answer

amino acids

Question 4

the body system that transports molecules to and from all cells of the body

Accepted Answer

circulatory system

Answer

oxygen

Answer

respiratory system

Answer

digestive system

Question 5

the body system that takes in food and breaks it down

Accepted Answer

digestive system

Answer

stomach

Answer

circulatory system

Answer

respiratory system

Question 6

The job of the respiratory system is to...

Accepted Answer

take in oxygen and release carbon dioxide

Answer

take in food and break it down

Answer

transport molecules to and from all cells of the body

Answer

make things move or change

Question 7

Which molecule does not need to be broken down before entering the cell?

Accepted Answer

oxygen

Answer

proteins

Answer

starch

Question 8

What does starch get broken down into?

Accepted Answer

glucose

Answer

proteins

Answer

amino acids

Answer

oxygen

Question 9

What do proteins get broken down into?

Accepted Answer

amino acids

Answer

glucose

Answer

starch

Answer

oxygen

Question 10

An athlete thinks that she can exercise as long as she eats different types of food because her body just needs different types of food molecules to work properly. Is the athlete correct?

Accepted Answer

C No, all cells need molecules from food and molecules from air to work properly.

Answer

A Yes, her cells only work when they have molecules from different types of food.

Answer

B No, her muscles do not need molecules from food because all cells make all the molecules they need.

Answer

D No, only her stomach cells need food molecules to work properly.

Question 11

Doctors tested a patient to find out what molecules were in her cells. Her cells contained normal levels of amino acids, normal levels of oxygen molecules, and low levels of glucose molecules. Will this patient be able to exercise normally?

Accepted Answer

C No, her cells need glucose to react with oxygen to release energy.

Answer

A Yes, her cells just need to combine amino acids to release energy.

Answer

B No, her cells need to combine glucose into starch molecules to release energy.

Answer

D Yes, her cells just need oxygen to release energy.

Question 12

If a person is breathing normally, which of the following could prevent him from using his body to exercise normally?

Accepted Answer

C Not eating enough food, because cells need molecules from both food and air to work

Answer

A Not getting enough sunlight, because cells need sunlight to function

Answer

B Not getting enough sleep, because the body only makes energy for exercise while asleep

Answer

D Nothing, because he would be able to exercise normally as long as his cells are getting molecules from the air

Question 13

Doctors tested a patient to find out what molecules were in his cells. His cells contained normal levels of glucose molecules and amino acid molecules, and low levels of oxygen molecules. Will this patient be able to exercise normally?

Accepted Answer

D No, his respiratory system is not working; his cells need oxygen to react with glucose, which releases energy.

Answer

A Yes, his body is working properly enough to exercise.

Answer

B No, his digestive system is not breaking down food molecules; his cells need starch molecules to react with glucose, which releases energy.

Answer

C No, his body systems are working, but he needs to eat different food; only proteins can react with glucose to release energy.

Question 14

These are called the powerhouse of the cell. They supply energy for the cell.

Accepted Answer

Mitochondria

Answer

cell membrane

Answer

protein

Answer

glucose

Question 15

Even if your oxygen and amino acids are at normal levels, what else do your cells need to make energy?

Accepted Answer

glucose molecules

Answer

starch molecules

Answer

atoms

Answer

protein molecules

Question 16

If someone is eating plenty of starch and their cells have glucose molecules, what other reason could they feel so tired?

Accepted Answer

They might not be getting enough oxygen molecules.

Answer

They might not be getting enough exercise.

Answer

They might not be drinking enough water.

Answer

They might not be stretching when they get up in the morning.

Question 17

What is the equation for cellular respiration?

Accepted Answer

Glucose + Oxygen = Carbon Dioxide + Water + Energy

Answer

Glucose + Carbon Dioxide = Energy + Oxygen

Answer

Carbon Dioxide+ Water= energy + glucose + oxygen

Answer

Oxygen + Glucose = Sunlight + Carbon dioxide

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