To determine the condition that would result in a negative nitrogen balance within the human body. Concept introduction: Nitrogen balance is defined as the state of when the amount of nitrogen intake by the human body in form of proteins is equal to the amount of nitrogen expel out form the body as a waste product. The difference in the nitrogen intake and nitrogen output from the body result in nitrogen imbalance. There are mainly two types of nitrogen imbalances: 1. Positive nitrogen balance: It occurs when nitrogen intake exceeds nitrogen output. 2. Negative nitrogen balance: It occurs when nitrogen output exceeds nitrogen intake.

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Name: Date: Investigation: Is a dog more closely related to a coyote or a wolf? Gray Wolf Species Name: Canis lupus Color: Light gray to black Size: 80-120 pounds, 2.5 feet tall Appearance: broad snout, round ears, long tail Coyote Species Name: Canis latrans Color: Light gray to brown Size: 20-50 pounds, 1.5 feet tall Appearance: narrow snout, pointed ears, long tail Dog, Alaskan Malamute Species Name: Canis lupus familiaris Color: Gray and white or brown and white Size: 70-80 pounds, 2 feet tall Appearance: broad snout, round ears, long tail 1. Examine the images and descriptions above. Underline any similarities between the dog and the wolf. Place a star next to any coyote traits that are similar to the dog. 2. Based on appearance alone, which do you think is the most closely related to a dog? www.biologycorner.com

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Chapter 26.2, Problem 3QQ

Interpretation Introduction

Interpretation: To determine the condition that would result in a negative nitrogen balance within the human body.

Concept introduction: Nitrogen balance is defined as the state of when the amount of nitrogen intake by the human body in form of proteins is equal to the amount of nitrogen expel out form the body as a waste product.

The difference in the nitrogen intake and nitrogen output from the body result in nitrogen imbalance. There are mainly two types of nitrogen imbalances:

1. Positive nitrogen balance: It occurs when nitrogen intake exceeds nitrogen output.

2. Negative nitrogen balance: It occurs when nitrogen output exceeds nitrogen intake.

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