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Questions and Answers
What factors determine biome distribution?
What factors determine biome distribution?
Temperature and precipitation
What do biomes areas share that allow them to be categorized together?
What do biomes areas share that allow them to be categorized together?
Similar climate, topographic and soil conditions
What are some examples of terrestrial biomes? (Select all that apply)
What are some examples of terrestrial biomes? (Select all that apply)
- Lakes (correct)
- Open Ocean
- Wetlands (correct)
- Shallow Coasts
Which ecosystem is categorized under Marine Ecosystems?
Which ecosystem is categorized under Marine Ecosystems?
What is a characteristic of monosaccharides?
What is a characteristic of monosaccharides?
Which sugar is an example of a disaccharide?
Which sugar is an example of a disaccharide?
What is a function of sugars in the body?
What is a function of sugars in the body?
Which of the following sugars is a reducing sugar?
Which of the following sugars is a reducing sugar?
What is an importance of sugars in the body?
What is an importance of sugars in the body?
What is a characteristic of polysaccharides?
What is a characteristic of polysaccharides?
Which of the following is NOT a function of sugars?
Which of the following is NOT a function of sugars?
What is a characteristic of non-reducing sugars?
What is a characteristic of non-reducing sugars?
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Study Notes
Terrestrial Biomes
- Defined as areas sharing similar climate, topographic, and soil conditions, and hosting the same basic types of biological communities.
- Temperature and precipitation are among the most important determinants in biome distribution.
Types of Ecosystems
- Marine Ecosystems:
- Open Ocean
- Shallow Coasts
- Freshwater Ecosystems:
- Lakes
- Wetlands
Biome Distribution
- Many biomes occur in latitudinal bands due to temperature control.
Sugars
Types of Sugars
- Monosaccharides are single sugar molecules that cannot be broken down into simpler sugars.
- Glucose, fructose, and galactose are examples of monosaccharides.
- Disaccharides are composed of two monosaccharides and can be broken down into simpler sugars.
- Sucrose, lactose, and maltose are examples of disaccharides, formed by combining glucose with fructose, galactose, or glucose, respectively.
- Polysaccharides are composed of many monosaccharides and can be broken down into simpler sugars.
- Starch, cellulose, and glycogen are examples of polysaccharides.
Classification of Sugars
- Reducing sugars have a free aldehyde or ketone group, allowing them to act as reducing agents.
- Glucose, fructose, and lactose are reducing sugars.
- Non-reducing sugars do not have a free aldehyde or ketone group, preventing them from acting as reducing agents.
- Sucrose and maltose are non-reducing sugars.
Functions of Sugars
- Sugars serve as an energy source for the body through cellular respiration.
- Sugars are structural components, found in cell walls, membranes, and other structural components.
- Sugars function as signaling molecules, involved in cell signaling and communication.
Importance of Sugars
- Sugars are essential nutrients, necessary for proper bodily function and maintenance.
- Sugars are the primary source of energy for the brain.
- Sugars are necessary for proper red blood cell function and maintenance.
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