A child’s bones break very easily. Which of the following may be lacking in their diet?

In circulatory systems, a large part of the fluid is water. For example, human blood plasma is approximately 90% water. Which of these properties of water makes it an ideal material for dissolving necessary chemical substances?

Bears eat all summer to store energy for their winter hibernation. Which of these are their main energy source during hibernation?

Starch from food is a source of energy for organisms. Starch is a type of

The major role of carbohydrates in the human diet is to

Which of these supply the main energy source used in cellular respiration?

The cell wall of a plant helps the plant cell maintain its shape. Which of these pairs correctly describes the main structural component of the cell wall?

When the cells of most organisms freeze, they burst. Which property of water causes this to occur?

Which of these are the repeating unit that form a DNA molecule?

Venus fly traps consume insects and can break them down. Which of the following would most likely break down the insect?

Venus fly trap plants obtain much of their nitrogen from amino acids found in the insects. Which of these chemical compounds are the source of the amino acids?

Cell membranes have a double layer of

What is the main role of lipids?

Which of these pairs controls the reaction rate of cellular respiration?

Glucose is a building block of carbohydrates. Which of these describes glucose?

Blood needs to be able to clot so that when someone is hurt, they do not bleed to death. Which of these helps blood to clot?

When someone is ill or hurt, they must consume large amounts of

Which of these stores the genetic information of organisms?

Which of the following is paired correctly?

Which of the following sets is organic?

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