Summer Unit 2 Content Review

The following graph illustrates blood glucose levels over a period of time. Match what is occurring at each of the following points in the graph:

• 2

• Glucagon is released as blood glucose falls below regulation point

• 3

• Fixed biological regulation level for normal blood glucose levels

• 1

• A small amount of insulin is released as glucose increases

• 4

• A large amount of insulin is released as glucose increases

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Homeostasis

• only occurs when someone is done growing.

• allows a population to live symbiotically with others in a community.

• is the maintenance of internal conditions around a normal set point.

• the same thing as metabolism.

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Active transport (a)   energy and passive transport (b)  

• requires ATP

• doesn't require ATP

• moves ATP

In the center of the image, solute is added to the solution on the left side of the U-tube causing it to be described as (a)   and the right side as (b)   .

• Hypotonic

• Isotonic

• Hypertonic

The molecules on the left side of the arrow in the equation are known as _________.

• reactants

• products

• catalysts

• solvents

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An input of photosynthesis from the air is _________.

• carbon dioxide

• oxygen

• nitrogen

• water vapor

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The chemical reaction is energized by _________, which is absorbed by chlorophyll pigments.

• sunlight

• oxygen

• carbon dioxide

• water

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After the reaction occurs, animals consume _________ to use as energy during cellular respiration.

• glucose

• oxygen

• carbon dioxide

• water

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The molecules on the right side of the arrow in the equation are known as _________.

• products

• reactants

• catalysts

• substrates

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The leaf discs began floating at the 7 minute mark because (a)   was being produced inside the discs during (b)   . At the 15 minute mark all the discs were floating and the beaker was placed in the dark at the 20 minute mark. While in the dark, the discs began to sink because (c)   was being consumed inside the discs during (d)   .

• photosynthesis

• cellular respiration

• oxygen

• carbon dioxide

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